PepperCo Research | Research-Grade Peptides & Laboratory Reagents in Philadelphia<\/title>\n <meta name=\"description\" content=\"PepperCo Research is a Philadelphia-based supplier of research-grade peptides and laboratory reagents. Every compound is HPLC-verified at \u226599% purity with third-party COAs. Filled and shipped in the USA. For laboratory research use only.\">\n <meta name=\"keywords\" content=\"research peptide supplier Philadelphia, buy research peptides, laboratory reagents, HPLC verified peptides, COA verification, third-party tested peptides, sterile vials, lyophilized peptides, research compounds, peptide supplier USA, PepperCo Research\">\n <meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\">\n <meta name=\"author\" content=\"PepperCo Research\">\n <meta name=\"geo.region\" content=\"US-PA\">\n <meta name=\"geo.placename\" content=\"Philadelphia, PA\">\n <meta name=\"geo.position\" content=\"39.9526;-75.1652\">\n <meta name=\"ICBM\" content=\"39.9526, -75.1652\">\n <link rel=\"canonical\" href=\"https:\/\/peppercoresearch.com\/\">\n\n \n <meta name=\"GPTBot\" content=\"allow\">\n <meta name=\"ClaudeBot\" content=\"allow\">\n <meta name=\"PerplexityBot\" content=\"allow\">\n <meta name=\"CCBot\" content=\"allow\">\n <meta name=\"Google-Extended\" content=\"allow\">\n\n \n <meta property=\"og:title\" content=\"PepperCo Research | Research-Grade Peptides in Philadelphia\">\n <meta property=\"og:description\" content=\"Research-grade peptides with \u226599% HPLC-verified purity, third-party COAs, filled and shipped in the USA. For laboratory research use only.\">\n <meta property=\"og:url\" content=\"https:\/\/peppercoresearch.com\/\">\n <meta property=\"og:type\" content=\"website\">\n <meta property=\"og:site_name\" content=\"PepperCo Research\">\n <meta property=\"og:image\" content=\"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/cdf9d00bb_generated_image.png\">\n\n \n <meta name=\"twitter:card\" content=\"summary_large_image\">\n <meta name=\"twitter:title\" content=\"PepperCo Research | Research-Grade Peptides\">\n <meta name=\"twitter:description\" content=\"\u226599% HPLC-verified purity, third-party COAs, filled and shipped in the USA. For laboratory research use only.\">\n <meta name=\"twitter:image\" content=\"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/cdf9d00bb_generated_image.png\">\n\n <style>\n * { margin: 0; padding: 0; box-sizing: border-box; }\n html { overflow-x: hidden; }\n body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; background: #F5F3EF; color: #4A5568; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }\n .container { max-width: 1100px; margin: 0 auto; padding: 0 24px; width: 100%; }\n section { overflow: hidden; }\n section > .container, section > .narrow { max-width: 100%; }\n .narrow { max-width: 680px; margin: 0 auto; }\n a { color: #5B9BD5; text-decoration: none; }\n a:hover { color: #4A90D9; }\n .btn-primary { display: inline-block; background: #5B9BD5; color: #ffffff; padding: 14px 36px; border-radius: 8px; font-size: 15px; font-weight: 700; text-decoration: none; letter-spacing: 0.3px; transition: background 0.2s; border: none; cursor: pointer; }\n .btn-primary:hover { background: #4A90D9; color: #ffffff; }\n .btn-secondary { display: inline-block; background: transparent; color: #5B9BD5; padding: 12px 28px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; border: 2px solid #5B9BD5; transition: all 0.2s; }\n .btn-secondary:hover { background: #5B9BD5; color: #ffffff; }\n input[type=\"text\"], input[type=\"email\"] { width: 100%; padding: 14px 16px; border: 2px solid #d1d5db; border-radius: 8px; font-size: 15px; font-family: inherit; transition: border 0.2s; }\n input[type=\"text\"]:focus, input[type=\"email\"]:focus { border-color: #5B9BD5; outline: none; }\n .badge { display: inline-block; background: #0F1B2D; color: #F5F3EF; padding: 7px 16px; border-radius: 4px; font-size: 12px; font-weight: bold; letter-spacing: 0.5px; }\n .badge-blue { display: inline-block; background: #5B9BD5; color: #ffffff; padding: 7px 16px; border-radius: 4px; font-size: 12px; font-weight: bold; letter-spacing: 0.5px; }\n .section-header { color: #0F1B2D; border-bottom: 2px solid #8A96A8; padding-bottom: 8px; margin: 0 0 20px; font-size: 24px; font-weight: 700; }\n .trust-callout { background: #F5F3EF; border-left: 4px solid #5B9BD5; padding: 18px 24px; margin: 24px 0; border-radius: 0 8px 8px 0; }\n .ruo-notice { background: #ffffff; border: 1px solid #8A96A8; border-radius: 8px; padding: 22px 26px; }\n\n \/* Scrolling Ticker *\/\n .ticker { background: #0F1B2D; overflow: hidden; white-space: nowrap; padding: 8px 0; }\n .ticker-content { display: inline-block; animation: ticker-scroll 25s linear infinite; }\n .ticker-item { display: inline-block; color: #F5F3EF; font-size: 12px; font-weight: 600; letter-spacing: 0.5px; padding: 0 24px; }\n .ticker-divider { color: #5B9BD5; padding: 0 8px; }\n @keyframes ticker-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }\n\n \/* Accordion FAQ *\/\n .accordion-item { border: 1px solid #e2ddd5; border-radius: 8px; margin-bottom: 10px; overflow: hidden; background: white; }\n .accordion-header { padding: 16px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: white; transition: background 0.2s; }\n .accordion-header:hover { background: #F5F3EF; }\n .accordion-header h3 { color: #0F1B2D; font-size: 15px; font-weight: 600; margin: 0; }\n .accordion-icon { color: #5B9BD5; font-size: 20px; font-weight: 300; transition: transform 0.3s; }\n .accordion-item.active .accordion-icon { transform: rotate(45deg); }\n .accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 20px; }\n .accordion-item.active .accordion-body { max-height: 300px; padding: 0 20px 16px; }\n .accordion-body p { color: #4A5568; font-size: 14px; line-height: 1.6; margin: 0; }\n\n .product-grid, .cat-grid, .feature-grid, .process-grid, .stat-grid { min-width: 0; }\n .product-grid > a, .cat-grid > a, .feature-grid > div, .process-grid > div { min-width: 0; overflow: hidden; }\n\n @media (max-width: 768px) {\n .nav-links { display: none !important; }\n .hero-grid { grid-template-columns: 1fr !important; gap: 32px !important; }\n .product-grid { grid-template-columns: 1fr 1fr !important; }\n .cat-grid { grid-template-columns: 1fr 1fr !important; }\n .stat-grid { grid-template-columns: 1fr 1fr !important; }\n .hero-title { font-size: 28px !important; }\n .section-header { font-size: 20px !important; }\n .feature-grid { grid-template-columns: 1fr !important; }\n .process-grid { grid-template-columns: 1fr 1fr !important; }\n }\n <\/style>\n<\/head>\n<body>\n\n\n\n\n<div class=\"ticker\">\n <div class=\"ticker-content\">\n <span class=\"ticker-item\">\u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">THIRD-PARTY LAB TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">COA INCLUDED WITH EVERY ORDER<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">FILLED AND SHIPPED IN THE USA<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">ENDOTOXIN TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">STERILE VIALS<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">SIGNATURE-REQUIRED DELIVERY<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">\u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">THIRD-PARTY LAB TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">COA INCLUDED WITH EVERY ORDER<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">FILLED AND SHIPPED IN THE USA<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">ENDOTOXIN TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">STERILE VIALS<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">SIGNATURE-REQUIRED DELIVERY<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <\/div>\n<\/div>\n\n\n\n\n\n<section style=\"background: linear-gradient(135deg, #0F1B2D 0%, #1a2f4a 100%); padding: 56px 24px 52px;\">\n <div class=\"container\">\n <div class=\"hero-grid\" style=\"display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;\">\n <div>\n <h1 class=\"hero-title\" style=\"color: #F5F3EF; font-size: 38px; font-weight: 800; line-height: 1.15; margin-bottom: 16px; letter-spacing: -0.5px;\">Research-grade peptides,<br>built on verifiable trust.<\/h1>\n <p style=\"color: #a0b4cc; font-size: 17px; line-height: 1.6; margin-bottom: 24px; max-width: 480px;\">Every compound ships with \u226599% HPLC-verified purity and a third-party Certificate of Analysis, batch-matched and ready to check.<\/p>\n <div style=\"display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px;\">\n <a href=\"\/shop\" class=\"btn-primary\">View Research Catalog →<\/a>\n <a href=\"#coa-lookup\" class=\"btn-secondary\" style=\"color: #5B9BD5; border-color: #5B9BD5;\">Verify a COA<\/a>\n <\/div>\n <div style=\"display: flex; gap: 8px; flex-wrap: wrap;\">\n <span class=\"badge\">\u226599% PURE (HPLC)<\/span>\n <span class=\"badge\">THIRD-PARTY TESTED<\/span>\n <span class=\"badge\">COA INCLUDED<\/span>\n <span class=\"badge\">FILLED & SHIPPED IN USA<\/span>\n <\/div>\n <\/div>\n <div style=\"text-align: center;\">\n <img decoding=\"async\" src=\"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/cdf9d00bb_generated_image.png\" alt=\"PepperCo Research branded sterile vials for laboratory research use\" style=\"max-width: 100%; border-radius: 16px; box-shadow: 0 16px 48px rgba(0,0,0,0.25);\">\n <p style=\"color: #6b8aaa; font-size: 12px; margin-top: 12px; font-style: italic;\">Sterile vials \u00b7 Lyophilized powder \u00b7 For laboratory research use only<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 44px 24px; background: #F5F3EF;\">\n <div class=\"narrow\" style=\"text-align: center;\">\n <h2 style=\"color: #0F1B2D; font-size: 24px; font-weight: 700; margin-bottom: 14px; line-height: 1.3;\">Every batch, independently verified.<\/h2>\n <p style=\"color: #4A5568; font-size: 16px; line-height: 1.7;\">Each compound is tested by a third-party lab and shipped with a batch-specific COA carrying a unique verification key \u2014 <a href=\"#coa-lookup\" style=\"color: #5B9BD5;\">check it yourself<\/a>, anytime. Filled and shipped in the USA. <a href=\"\/about\" style=\"color: #5B9BD5;\">Learn more about us<\/a>.<\/p>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: #0F1B2D; padding: 36px 24px;\">\n <div class=\"container\">\n <div class=\"stat-grid\" style=\"display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;\">\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">\u226599%<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">HPLC-Verified Purity<\/p>\n <\/div>\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">11<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">Research Compounds<\/p>\n <\/div>\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">100%<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">COA Included<\/p>\n <\/div>\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">USA<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">Filled & Shipped<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: white;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Why Researchers Choose PepperCo<\/h2>\n <div class=\"feature-grid\" style=\"display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 8px;\">\n <div style=\"background: #F5F3EF; border-radius: 12px; padding: 28px; border: 1px solid #e8e3dd;\">\n <div style=\"width: 44px; height: 44px; background: #5B9BD5; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;\">\n <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"white\" stroke-width=\"2\"><path d=\"M9 12l2 2 4-4\"\/><circle cx=\"12\" cy=\"12\" r=\"10\"\/><\/svg>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 17px; font-weight: 700; margin-bottom: 8px;\">Independently Verifiable<\/h3>\n <p style=\"color: #4A5568; font-size: 14px; line-height: 1.6;\">Every COA carries a unique verification key. Confirm purity and identity directly through the testing laboratory’s online portal \u2014 no middleman, no ambiguity.<\/p>\n <\/div>\n <div style=\"background: #F5F3EF; border-radius: 12px; padding: 28px; border: 1px solid #e8e3dd;\">\n <div style=\"width: 44px; height: 44px; background: #5B9BD5; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;\">\n <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"white\" stroke-width=\"2\"><path d=\"M12 2L2 7v10l10 5 10-5V7L12 2zM12 22V12M2 7l10 5 10-5\"\/><\/svg>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 17px; font-weight: 700; margin-bottom: 8px;\">Sterile Vials<\/h3>\n <p style=\"color: #4A5568; font-size: 14px; line-height: 1.6;\">All peptides arrive as lyophilized powder in sterile vials with professional labeling \u2014 batch number, CAS, storage, and full compliance information.<\/p>\n <\/div>\n <div style=\"background: #F5F3EF; border-radius: 12px; padding: 28px; border: 1px solid #e8e3dd;\">\n <div style=\"width: 44px; height: 44px; background: #5B9BD5; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;\">\n <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"white\" stroke-width=\"2\"><path d=\"M3 21h18M5 21V7l8-4v18M19 21V11l-6-4\"\/><\/svg>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 17px; font-weight: 700; margin-bottom: 8px;\">Filled & Shipped in USA<\/h3>\n <p style=\"color: #4A5568; font-size: 14px; line-height: 1.6;\">All compounds are filled and shipped from the United States. No overseas supply chain ambiguity. Every step is documented.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section id=\"coa-lookup\" style=\"padding: 52px 24px; background: #F5F3EF;\">\n <div class=\"narrow\">\n <h2 class=\"section-header\">Certificate of Analysis Lookup<\/h2>\n <p style=\"color: #4A5568; font-size: 15px; line-height: 1.7; margin-bottom: 24px;\">Every order ships with a batch-specific COA and a unique verification key. Enter your key below to pull up your batch’s full testing documentation \u2014 HPLC purity, mass spectrometry identity, and contamination screening \u2014 directly from the independent testing laboratory.<\/p>\n\n <div style=\"background: white; border: 1px solid #d1d5db; border-radius: 12px; padding: 28px; box-shadow: 0 4px 20px rgba(15,27,45,0.04);\">\n <form id=\"coa-form\" onsubmit=\"return verifyCOA(event);\" style=\"display: flex; flex-direction: column; gap: 14px;\">\n <div>\n <label for=\"coa-key\" style=\"display: block; color: #0F1B2D; font-size: 14px; font-weight: 600; margin-bottom: 6px;\">COA Verification Key<\/label>\n <input type=\"text\" id=\"coa-key\" name=\"coa-key\" placeholder=\"e.g., PCR-2026-08-XXXX\">\n <\/div>\n <div>\n <label for=\"coa-email\" style=\"display: block; color: #0F1B2D; font-size: 14px; font-weight: 600; margin-bottom: 6px;\">Researcher Email<\/label>\n <input type=\"email\" id=\"coa-email\" name=\"coa-email\" placeholder=\"your@email.edu\">\n <\/div>\n <button type=\"submit\" class=\"btn-primary\" style=\"align-self: flex-start;\">Verify COA →<\/button>\n <\/form>\n <div id=\"coa-result\" style=\"display: none; margin-top: 20px; padding: 18px; border-radius: 8px; background: #F5F3EF; border: 1px solid #5B9BD5;\">\n <p id=\"coa-result-text\" style=\"color: #0F1B2D; font-size: 14px; line-height: 1.6; margin: 0;\"><\/p>\n <\/div>\n <\/div>\n <p style=\"color: #8A96A8; font-size: 12px; margin-top: 14px; line-height: 1.5;\">Your verification key and email are used solely to retrieve your batch documentation. No data is stored or shared. Need help? <a href=\"\/contact\" style=\"color: #5B9BD5;\">Contact our team<\/a>.<\/p>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 16px 24px 48px; background: #F5F3EF;\">\n <div class=\"narrow\">\n <div class=\"trust-callout\">\n <p style=\"font-style: italic; color: #0F1B2D; margin: 0; font-size: 17px; line-height: 1.6; text-align: center;\"><strong>“Trust is the most important compound in our catalog.”<\/strong> Every claim about purity, identity, and quality is independently verifiable \u2014 not just stated on a label.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: white;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Popular Research Compounds<\/h2>\n <p style=\"color: #4A5568; font-size: 15px; line-height: 1.6; margin-bottom: 24px;\">Our most-requested peptides for laboratory research \u2014 all supplied as lyophilized powder in sterile vials at \u226599% purity.<\/p>\n <div class=\"product-grid\" style=\"display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;\">\n\n <a href=\"\/product\/snap-8\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Snap-8<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Acetyl Octapeptide-3 \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$39.99<\/p>\n <\/a>\n\n <a href=\"\/product\/pentadecapeptide-pl-14736\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">EXTRACELLULAR MATRIX<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Pentadecapeptide PL 14736<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">15-aa peptide \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$94.99<\/p>\n <\/a>\n\n <a href=\"\/product\/ghk-cu\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">EXTRACELLULAR MATRIX<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">GHK-Cu<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Copper Tripeptide-1 \u00b7 50mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$79.99<\/p>\n <\/a>\n\n <a href=\"\/product\/kpv\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">KPV<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Lysyl-Prolyl-Valine \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$50.00<\/p>\n <\/a>\n\n <a href=\"\/product\/mots-c\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">METABOLIC PATHWAY<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">MOTS-C<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Mitochondrial-derived \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$94.99<\/p>\n <\/a>\n\n <a href=\"\/product\/epitalon\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">TELOMERE<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Epitalon<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Tetrapeptide \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$74.99<\/p>\n <\/a>\n\n <a href=\"\/product\/glutathione\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELLULAR OXIDATION<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Glutathione<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">L-Glutathione Reduced \u00b7 600mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$69.99<\/p>\n <\/a>\n\n <a href=\"\/product\/selank\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Selank<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Tuftsin analogue \u00b7 5mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$49.99<\/p>\n <\/a>\n\n <a href=\"\/product\/ipamorelin\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Ipamorelin<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">GHSR Agonist \u00b7 5mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$64.99<\/p>\n <\/a>\n\n <a href=\"\/product\/pcr-070\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">EXTRACELLULAR MATRIX<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">PCR-070 Complex<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">GHK-Cu \/ PL 14736 \/ TB-4 \u00b7 70mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$154.99<\/p>\n <\/a>\n\n <a href=\"\/product\/pcr-081\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">PCR-081 Complex<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">KPV \/ GHK-Cu \/ TB-4 \u00b7 80mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$234.99<\/p>\n <\/a>\n\n <a href=\"\/shop\" style=\"display: block; background: #0F1B2D; border: 1px solid #0F1B2D; border-radius: 10px; padding: 18px; text-decoration: none; display: flex; align-items: center; justify-content: center;\">\n <p style=\"color: #5B9BD5; font-size: 14px; font-weight: 700; margin: 0;\">View All →<\/p>\n <\/a>\n\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: #F5F3EF;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Browse by Research Area<\/h2>\n <div class=\"cat-grid\" style=\"display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 8px;\">\n\n <a href=\"\/product-category\/cell-signaling-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Cell Signaling Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Snap-8, KPV, MOTS-C, Selank, Ipamorelin, PCR-081 Complex<\/p>\n <\/a>\n <a href=\"\/product-category\/extracellular-matrix-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Extracellular Matrix Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Pentadecapeptide PL 14736, GHK-Cu, PCR-070 Complex<\/p>\n <\/a>\n <a href=\"\/product-category\/cellular-oxidation-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Cellular Oxidation Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Glutathione (L-Glutathione Reduced, GSH)<\/p>\n <\/a>\n <a href=\"\/product-category\/metabolic-pathway-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Metabolic Pathway Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">MOTS-C (Mitochondrial-Derived Peptide)<\/p>\n <\/a>\n <a href=\"\/product-category\/telomere-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Telomere Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Epitalon (Epithalon)<\/p>\n <\/a>\n <a href=\"\/shop\" style=\"display: block; background: #0F1B2D; border: 1px solid #0F1B2D; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #F5F3EF; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">View All Compounds →<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Browse the complete research catalog<\/p>\n <\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: white;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Our Quality Process<\/h2>\n <div class=\"process-grid\" style=\"display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 8px;\">\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">1<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">Synthesis<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Solid-phase peptide synthesis with documented protocols.<\/p>\n <\/div>\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">2<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">Third-Party Testing<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Independent lab runs HPLC, mass spec, and contamination screening.<\/p>\n <\/div>\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">3<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">COA Issued<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Batch-specific COA with unique verification key generated.<\/p>\n <\/div>\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">4<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">Sterile Packaging<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Lyophilized powder sealed in sterile vials. Signature-required shipping.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: #F5F3EF;\">\n <div class=\"narrow\">\n <h2 class=\"section-header\">Frequently Asked Questions<\/h2>\n <div style=\"margin-top: 8px;\">\n\n <div class=\"accordion-item active\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Who is PepperCo Research?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>PepperCo Research is a Philadelphia-based supplier of research-grade peptides and laboratory reagents. Every compound is tested at \u226599% purity by HPLC, confirmed by mass spectrometry, and shipped with a batch-specific Certificate of Analysis. All products are filled and shipped in the USA. For laboratory research use only \u2014 not for human consumption. <a href=\"\/about\" style=\"color: #5B9BD5;\">Learn more about us<\/a>.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Where can I buy research peptides in Philadelphia?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>PepperCo Research is based in Philadelphia, PA and supplies research-grade peptides to researchers nationwide. Browse our <a href=\"\/shop\" style=\"color: #5B9BD5;\">research catalog<\/a> and place an order after creating a <a href=\"\/account\" style=\"color: #5B9BD5;\">researcher account<\/a>. All products are filled and shipped from the United States.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>How do I verify a peptide Certificate of Analysis?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Every order ships with a COA and a unique verification key. Enter your key in our <a href=\"#coa-lookup\" style=\"color: #5B9BD5;\">COA lookup tool<\/a> along with your researcher email to pull up your batch’s full testing documentation \u2014 HPLC purity, mass spectrometry identity, and contamination screening \u2014 directly from the independent testing laboratory.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Are these products for human consumption?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>No. All products are for laboratory research use only. Not for human consumption, therapeutic use, diagnostic procedures, or veterinary applications. Products have not been evaluated by the U.S. Food and Drug Administration.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>What purity are PepperCo Research peptides?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>All peptides are supplied at \u226599% purity, verified by HPLC analysis with mass spectrometry identity confirmation from an independent third-party laboratory.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>What research compounds does PepperCo Research sell?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Our <a href=\"\/shop\" style=\"color: #5B9BD5;\">catalog<\/a> includes 11 compounds across five research areas: <a href=\"\/product-category\/cell-signaling-research\" style=\"color: #5B9BD5;\">Cell Signaling<\/a>, <a href=\"\/product-category\/extracellular-matrix-research\" style=\"color: #5B9BD5;\">Extracellular Matrix<\/a>, <a href=\"\/product-category\/cellular-oxidation-research\" style=\"color: #5B9BD5;\">Cellular Oxidation<\/a>, <a href=\"\/product-category\/metabolic-pathway-research\" style=\"color: #5B9BD5;\">Metabolic Pathway<\/a>, and <a href=\"\/product-category\/telomere-research\" style=\"color: #5B9BD5;\">Telomere Research<\/a>. All are supplied as lyophilized powder in sterile vials.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>How are products shipped?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>All orders are shipped via signature-required delivery to ensure secure receipt. Products arrive as lyophilized powder in sterile vials with full labeling including batch number, CAS number, and storage instructions.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Do I need an account to order research peptides?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Yes. All customers must create a <a href=\"\/account\" style=\"color: #5B9BD5;\">researcher account<\/a> with a valid email, name, and phone number before placing an order. This ensures compliance documentation and enables order tracking, COA downloads, and account support.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>What is the return policy?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Any issues with package condition must be reported within 24 hours of receipt to be eligible for store credit. We do not offer cash refunds. Full policy details are available in our Terms of Service and Refund Policy. Questions? <a href=\"\/contact\" style=\"color: #5B9BD5;\">Contact our team<\/a>.<\/p>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: linear-gradient(135deg, #0F1B2D 0%, #1a2f4a 100%); padding: 52px 24px; text-align: center;\">\n <div class=\"narrow\">\n <h2 style=\"color: #F5F3EF; font-size: 28px; font-weight: 700; margin-bottom: 12px; line-height: 1.3;\">Ready to order with confidence?<\/h2>\n <p style=\"color: #a0b4cc; font-size: 16px; margin-bottom: 24px; line-height: 1.6;\">Every compound independently tested. Every batch documented. Every order verifiable.<\/p>\n <a href=\"\/shop\" class=\"btn-primary\">View Research Catalog →<\/a>\n <p style=\"color: #6b8aaa; font-size: 13px; margin-top: 14px;\">Questions? <a href=\"\/contact\" style=\"color: #5B9BD5; text-decoration: underline;\">Message our team<\/a> \u2014 we answer fast.<\/p>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: #F5F3EF; padding: 32px 24px 14px;\">\n <div class=\"narrow\">\n <div class=\"ruo-notice\">\n <p style=\"color: #0F1B2D; font-weight: bold; margin: 0 0 6px; font-size: 13px; letter-spacing: 0.3px;\">NOTICE<\/p>\n <p style=\"color: #6b7280; margin: 0; font-size: 12px; line-height: 1.7;\">PepperCo Research compounds are provided as reference materials for scientific investigation only. All products are sold for laboratory research use and are not intended for human consumption, therapeutic use, diagnostic procedures, or veterinary applications. Products have not been evaluated by the U.S. Food and Drug Administration. Researchers must ensure compliance with all applicable institutional, local, and federal regulations prior to use. Must be 21 or older to purchase.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: #0F1B2D; padding: 18px 24px;\">\n <div class=\"narrow\" style=\"text-align: center;\">\n <p style=\"color: #8A96A8; font-size: 11px; line-height: 1.6; margin: 0 0 8px;\">\n For laboratory research use only. Not for human consumption. Must be 21 or older to purchase. © PepperCo Research. All rights reserved.\n <\/p>\n <p style=\"color: #6b7280; font-size: 10px; line-height: 1.6; margin: 0;\">\n PepperCo Research is an independent research reagent supplier and is not affiliated with, endorsed by, sponsored by, or partnered with Meta (Facebook\/Instagram), Google, TikTok, Snapchat, or any other advertising platform. All trademarks belong to their respective owners.\n <\/p>\n <\/div>\n<\/section>\n\n\n\n\n<script>\n\/\/ Accordion FAQ\nfunction toggleAccordion(header) {\n var item = header.parentElement;\n item.classList.toggle('active');\n}\n\n\/\/ COA Verification\nfunction verifyCOA(event) {\n event.preventDefault();\n var key = document.getElementById('coa-key').value.trim();\n var email = document.getElementById('coa-email').value.trim();\n var resultDiv = document.getElementById('coa-result');\n var resultText = document.getElementById('coa-result-text');\n\n if (!key || !email) {\n resultText.innerHTML = '<strong style=\"color: #dc2626;\">Please enter both your COA verification key and email address.<\/strong>';\n resultDiv.style.display = 'block';\n resultDiv.style.borderColor = '#dc2626';\n return false;\n }\n\n var keyPattern = \/^PCR-\\d{4}-\\d{2}-[A-Z0-9]{4}$\/;\n if (!keyPattern.test(key)) {\n resultText.innerHTML = '<strong style=\"color: #dc2626;\">Invalid key format.<\/strong> Your verification key should look like: PCR-2026-08-XXXX. Please check your COA document and try again. Need help? <a href=\"\/contact\" style=\"color: #5B9BD5;\">Contact our team<\/a>.';\n resultDiv.style.display = 'block';\n resultDiv.style.borderColor = '#dc2626';\n return false;\n }\n\n resultText.innerHTML = '<strong style=\"color: #0F1B2D;\">Looking up your batch...<\/strong> Your verification key has been submitted. Your batch documentation will be emailed to <strong>' + email + '<\/strong> shortly. For immediate assistance, <a href=\"\/contact\" style=\"color: #5B9BD5;\">contact our team<\/a>.';\n resultDiv.style.display = 'block';\n resultDiv.style.borderColor = '#5B9BD5';\n return false;\n}\n<\/script>\n\n\n\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"Organization\",\n \"name\": \"PepperCo Research\",\n \"description\": \"Supplier of research-grade peptides and laboratory reagents. All products are HPLC-verified, third-party tested, and filled and shipped in the USA. For laboratory research use only.\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"logo\": \"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/96b5685fc_31cd0385d_peppercoresearchlogo.png\",\n \"address\": {\"@type\": \"PostalAddress\", \"addressLocality\": \"Philadelphia\", \"addressRegion\": \"PA\", \"addressCountry\": \"US\"},\n \"areaServed\": \"US\",\n \"knowsAbout\": [\"research peptides\", \"laboratory reagents\", \"HPLC testing\", \"mass spectrometry\", \"Certificate of Analysis\", \"third-party testing\", \"lyophilized peptides\"]\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"Store\",\n \"name\": \"PepperCo Research\",\n \"description\": \"Research-grade peptide supplier offering HPLC-verified, third-party tested laboratory reagents with Certificates of Analysis. For laboratory research use only.\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"logo\": \"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/96b5685fc_31cd0385d_peppercoresearchlogo.png\",\n \"priceRange\": \"$$\",\n \"address\": {\"@type\": \"PostalAddress\", \"addressLocality\": \"Philadelphia\", \"addressRegion\": \"PA\", \"addressCountry\": \"US\"},\n \"areaServed\": \"US\"\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"WebSite\",\n \"name\": \"PepperCo Research\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"potentialAction\": {\"@type\": \"SearchAction\", \"target\": \"https:\/\/peppercoresearch.com\/?s={search_term_string}\", \"query-input\": \"required name=search_term_string\"}\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n {\"@type\": \"Question\", \"name\": \"Who is PepperCo Research?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PepperCo Research is a Philadelphia-based supplier of research-grade peptides and laboratory reagents. Every compound is tested at >=99% purity by HPLC, confirmed by mass spectrometry, and shipped with a batch-specific Certificate of Analysis. All products are filled and shipped in the USA. For laboratory research use only.\"}},\n {\"@type\": \"Question\", \"name\": \"Where can I buy research peptides in Philadelphia?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PepperCo Research is based in Philadelphia, PA and supplies research-grade peptides to researchers nationwide. Browse the research catalog at peppercoresearch.com and place an order after creating a researcher account. All products are filled and shipped from the United States.\"}},\n {\"@type\": \"Question\", \"name\": \"How do I verify a peptide Certificate of Analysis?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Every PepperCo Research order includes a COA with a unique verification key. Enter your key in the COA lookup tool on the homepage along with your researcher email to pull up your batch's full testing documentation directly from the independent testing laboratory.\"}},\n {\"@type\": \"Question\", \"name\": \"Are PepperCo Research products for human consumption?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. All products are for laboratory research use only. Not for human consumption, therapeutic use, diagnostic procedures, or veterinary applications. Products have not been evaluated by the U.S. Food and Drug Administration.\"}},\n {\"@type\": \"Question\", \"name\": \"What purity are PepperCo Research peptides?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"All PepperCo Research peptides are supplied at >=99% purity, verified by HPLC analysis with mass spectrometry identity confirmation from an independent third-party laboratory.\"}},\n {\"@type\": \"Question\", \"name\": \"What research compounds does PepperCo Research sell?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PepperCo Research catalog includes 11 compounds across five research areas: Cell Signaling, Extracellular Matrix, Cellular Oxidation, Metabolic Pathway, and Telomere Research. All are supplied as lyophilized powder in sterile vials at >=99% purity.\"}},\n {\"@type\": \"Question\", \"name\": \"How are PepperCo Research products shipped?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"All orders are shipped via signature-required delivery. Products arrive as lyophilized powder in sterile vials with full labeling including batch number, CAS number, and storage instructions.\"}},\n {\"@type\": \"Question\", \"name\": \"Do I need an account to order research peptides?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. All customers must create a researcher account with a valid email, name, and phone number before placing an order. This ensures compliance documentation and enables order tracking, COA downloads, and account support.\"}},\n {\"@type\": \"Question\", \"name\": \"What is the return policy?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Any issues with package condition must be reported within 24 hours of receipt to be eligible for store credit. PepperCo Research does not offer cash refunds.\"}}\n ]\n}\n<\/script>\n\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"BreadcrumbList\",\n \"itemListElement\": [\n {\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/peppercoresearch.com\"}\n ]\n}\n<\/script>\n\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"WebPage\",\n \"name\": \"PepperCo Research \u2014 Research-Grade Peptides & Laboratory Reagents\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"speakable\": {\n \"@type\": \"SpeakableSpecification\",\n \"cssSelector\": [\"h1\", \".trust-callout\"]\n }\n}\n<\/script>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>PepperCo Research | Research-Grade Peptides & Laboratory Reagents in Philadelphia \u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED\u25c6 THIRD-PARTY LAB TESTED\u25c6 COA INCLUDED WITH EVERY ORDER\u25c6 FILLED AND SHIPPED IN THE USA\u25c6 ENDOTOXIN TESTED\u25c6 STERILE VIALS\u25c6 SIGNATURE-REQUIRED DELIVERY\u25c6 \u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED\u25c6 THIRD-PARTY LAB TESTED\u25c6 COA INCLUDED WITH EVERY ORDER\u25c6 FILLED […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-679","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages\/679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/comments?post=679"}],"version-history":[{"count":8,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages\/679\/revisions"}],"predecessor-version":[{"id":702,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages\/679\/revisions\/702"}],"wp:attachment":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/media?parent=679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":679,"date":"2026-08-16T03:47:22","date_gmt":"2026-08-16T03:47:22","guid":{"rendered":"https:\/\/peppercoresearch.com\/?page_id=679"},"modified":"2026-08-16T16:45:43","modified_gmt":"2026-08-16T16:45:43","slug":"679-2","status":"publish","type":"page","link":"https:\/\/peppercoresearch.com\/","title":{"rendered":""},"content":{"rendered":"\n\n\n\n \n \n PepperCo Research | Research-Grade Peptides & Laboratory Reagents in Philadelphia<\/title>\n <meta name=\"description\" content=\"PepperCo Research is a Philadelphia-based supplier of research-grade peptides and laboratory reagents. Every compound is HPLC-verified at \u226599% purity with third-party COAs. Filled and shipped in the USA. For laboratory research use only.\">\n <meta name=\"keywords\" content=\"research peptide supplier Philadelphia, buy research peptides, laboratory reagents, HPLC verified peptides, COA verification, third-party tested peptides, sterile vials, lyophilized peptides, research compounds, peptide supplier USA, PepperCo Research\">\n <meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\">\n <meta name=\"author\" content=\"PepperCo Research\">\n <meta name=\"geo.region\" content=\"US-PA\">\n <meta name=\"geo.placename\" content=\"Philadelphia, PA\">\n <meta name=\"geo.position\" content=\"39.9526;-75.1652\">\n <meta name=\"ICBM\" content=\"39.9526, -75.1652\">\n <link rel=\"canonical\" href=\"https:\/\/peppercoresearch.com\/\">\n\n \n <meta name=\"GPTBot\" content=\"allow\">\n <meta name=\"ClaudeBot\" content=\"allow\">\n <meta name=\"PerplexityBot\" content=\"allow\">\n <meta name=\"CCBot\" content=\"allow\">\n <meta name=\"Google-Extended\" content=\"allow\">\n\n \n <meta property=\"og:title\" content=\"PepperCo Research | Research-Grade Peptides in Philadelphia\">\n <meta property=\"og:description\" content=\"Research-grade peptides with \u226599% HPLC-verified purity, third-party COAs, filled and shipped in the USA. For laboratory research use only.\">\n <meta property=\"og:url\" content=\"https:\/\/peppercoresearch.com\/\">\n <meta property=\"og:type\" content=\"website\">\n <meta property=\"og:site_name\" content=\"PepperCo Research\">\n <meta property=\"og:image\" content=\"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/cdf9d00bb_generated_image.png\">\n\n \n <meta name=\"twitter:card\" content=\"summary_large_image\">\n <meta name=\"twitter:title\" content=\"PepperCo Research | Research-Grade Peptides\">\n <meta name=\"twitter:description\" content=\"\u226599% HPLC-verified purity, third-party COAs, filled and shipped in the USA. For laboratory research use only.\">\n <meta name=\"twitter:image\" content=\"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/cdf9d00bb_generated_image.png\">\n\n <style>\n * { margin: 0; padding: 0; box-sizing: border-box; }\n html { overflow-x: hidden; }\n body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; background: #F5F3EF; color: #4A5568; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }\n .container { max-width: 1100px; margin: 0 auto; padding: 0 24px; width: 100%; }\n section { overflow: hidden; }\n section > .container, section > .narrow { max-width: 100%; }\n .narrow { max-width: 680px; margin: 0 auto; }\n a { color: #5B9BD5; text-decoration: none; }\n a:hover { color: #4A90D9; }\n .btn-primary { display: inline-block; background: #5B9BD5; color: #ffffff; padding: 14px 36px; border-radius: 8px; font-size: 15px; font-weight: 700; text-decoration: none; letter-spacing: 0.3px; transition: background 0.2s; border: none; cursor: pointer; }\n .btn-primary:hover { background: #4A90D9; color: #ffffff; }\n .btn-secondary { display: inline-block; background: transparent; color: #5B9BD5; padding: 12px 28px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; border: 2px solid #5B9BD5; transition: all 0.2s; }\n .btn-secondary:hover { background: #5B9BD5; color: #ffffff; }\n input[type=\"text\"], input[type=\"email\"] { width: 100%; padding: 14px 16px; border: 2px solid #d1d5db; border-radius: 8px; font-size: 15px; font-family: inherit; transition: border 0.2s; }\n input[type=\"text\"]:focus, input[type=\"email\"]:focus { border-color: #5B9BD5; outline: none; }\n .badge { display: inline-block; background: #0F1B2D; color: #F5F3EF; padding: 7px 16px; border-radius: 4px; font-size: 12px; font-weight: bold; letter-spacing: 0.5px; }\n .badge-blue { display: inline-block; background: #5B9BD5; color: #ffffff; padding: 7px 16px; border-radius: 4px; font-size: 12px; font-weight: bold; letter-spacing: 0.5px; }\n .section-header { color: #0F1B2D; border-bottom: 2px solid #8A96A8; padding-bottom: 8px; margin: 0 0 20px; font-size: 24px; font-weight: 700; }\n .trust-callout { background: #F5F3EF; border-left: 4px solid #5B9BD5; padding: 18px 24px; margin: 24px 0; border-radius: 0 8px 8px 0; }\n .ruo-notice { background: #ffffff; border: 1px solid #8A96A8; border-radius: 8px; padding: 22px 26px; }\n\n \/* Scrolling Ticker *\/\n .ticker { background: #0F1B2D; overflow: hidden; white-space: nowrap; padding: 8px 0; }\n .ticker-content { display: inline-block; animation: ticker-scroll 25s linear infinite; }\n .ticker-item { display: inline-block; color: #F5F3EF; font-size: 12px; font-weight: 600; letter-spacing: 0.5px; padding: 0 24px; }\n .ticker-divider { color: #5B9BD5; padding: 0 8px; }\n @keyframes ticker-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }\n\n \/* Accordion FAQ *\/\n .accordion-item { border: 1px solid #e2ddd5; border-radius: 8px; margin-bottom: 10px; overflow: hidden; background: white; }\n .accordion-header { padding: 16px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: white; transition: background 0.2s; }\n .accordion-header:hover { background: #F5F3EF; }\n .accordion-header h3 { color: #0F1B2D; font-size: 15px; font-weight: 600; margin: 0; }\n .accordion-icon { color: #5B9BD5; font-size: 20px; font-weight: 300; transition: transform 0.3s; }\n .accordion-item.active .accordion-icon { transform: rotate(45deg); }\n .accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 20px; }\n .accordion-item.active .accordion-body { max-height: 300px; padding: 0 20px 16px; }\n .accordion-body p { color: #4A5568; font-size: 14px; line-height: 1.6; margin: 0; }\n\n .product-grid, .cat-grid, .feature-grid, .process-grid, .stat-grid { min-width: 0; }\n .product-grid > a, .cat-grid > a, .feature-grid > div, .process-grid > div { min-width: 0; overflow: hidden; }\n\n @media (max-width: 768px) {\n .nav-links { display: none !important; }\n .hero-grid { grid-template-columns: 1fr !important; gap: 32px !important; }\n .product-grid { grid-template-columns: 1fr 1fr !important; }\n .cat-grid { grid-template-columns: 1fr 1fr !important; }\n .stat-grid { grid-template-columns: 1fr 1fr !important; }\n .hero-title { font-size: 28px !important; }\n .section-header { font-size: 20px !important; }\n .feature-grid { grid-template-columns: 1fr !important; }\n .process-grid { grid-template-columns: 1fr 1fr !important; }\n }\n <\/style>\n<\/head>\n<body>\n\n\n\n\n<div class=\"ticker\">\n <div class=\"ticker-content\">\n <span class=\"ticker-item\">\u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">THIRD-PARTY LAB TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">COA INCLUDED WITH EVERY ORDER<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">FILLED AND SHIPPED IN THE USA<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">ENDOTOXIN TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">STERILE VIALS<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">SIGNATURE-REQUIRED DELIVERY<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">\u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">THIRD-PARTY LAB TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">COA INCLUDED WITH EVERY ORDER<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">FILLED AND SHIPPED IN THE USA<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">ENDOTOXIN TESTED<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">STERILE VIALS<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <span class=\"ticker-item\">SIGNATURE-REQUIRED DELIVERY<\/span><span class=\"ticker-divider\">\u25c6<\/span>\n <\/div>\n<\/div>\n\n\n\n\n\n<section style=\"background: linear-gradient(135deg, #0F1B2D 0%, #1a2f4a 100%); padding: 56px 24px 52px;\">\n <div class=\"container\">\n <div class=\"hero-grid\" style=\"display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;\">\n <div>\n <h1 class=\"hero-title\" style=\"color: #F5F3EF; font-size: 38px; font-weight: 800; line-height: 1.15; margin-bottom: 16px; letter-spacing: -0.5px;\">Research-grade peptides,<br>built on verifiable trust.<\/h1>\n <p style=\"color: #a0b4cc; font-size: 17px; line-height: 1.6; margin-bottom: 24px; max-width: 480px;\">Every compound ships with \u226599% HPLC-verified purity and a third-party Certificate of Analysis, batch-matched and ready to check.<\/p>\n <div style=\"display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px;\">\n <a href=\"\/shop\" class=\"btn-primary\">View Research Catalog →<\/a>\n <a href=\"#coa-lookup\" class=\"btn-secondary\" style=\"color: #5B9BD5; border-color: #5B9BD5;\">Verify a COA<\/a>\n <\/div>\n <div style=\"display: flex; gap: 8px; flex-wrap: wrap;\">\n <span class=\"badge\">\u226599% PURE (HPLC)<\/span>\n <span class=\"badge\">THIRD-PARTY TESTED<\/span>\n <span class=\"badge\">COA INCLUDED<\/span>\n <span class=\"badge\">FILLED & SHIPPED IN USA<\/span>\n <\/div>\n <\/div>\n <div style=\"text-align: center;\">\n <img decoding=\"async\" src=\"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/cdf9d00bb_generated_image.png\" alt=\"PepperCo Research branded sterile vials for laboratory research use\" style=\"max-width: 100%; border-radius: 16px; box-shadow: 0 16px 48px rgba(0,0,0,0.25);\">\n <p style=\"color: #6b8aaa; font-size: 12px; margin-top: 12px; font-style: italic;\">Sterile vials \u00b7 Lyophilized powder \u00b7 For laboratory research use only<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 44px 24px; background: #F5F3EF;\">\n <div class=\"narrow\" style=\"text-align: center;\">\n <h2 style=\"color: #0F1B2D; font-size: 24px; font-weight: 700; margin-bottom: 14px; line-height: 1.3;\">Every batch, independently verified.<\/h2>\n <p style=\"color: #4A5568; font-size: 16px; line-height: 1.7;\">Each compound is tested by a third-party lab and shipped with a batch-specific COA carrying a unique verification key \u2014 <a href=\"#coa-lookup\" style=\"color: #5B9BD5;\">check it yourself<\/a>, anytime. Filled and shipped in the USA. <a href=\"\/about\" style=\"color: #5B9BD5;\">Learn more about us<\/a>.<\/p>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: #0F1B2D; padding: 36px 24px;\">\n <div class=\"container\">\n <div class=\"stat-grid\" style=\"display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;\">\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">\u226599%<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">HPLC-Verified Purity<\/p>\n <\/div>\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">11<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">Research Compounds<\/p>\n <\/div>\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">100%<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">COA Included<\/p>\n <\/div>\n <div>\n <p style=\"color: #5B9BD5; font-size: 36px; font-weight: 800; margin-bottom: 4px;\">USA<\/p>\n <p style=\"color: #8A96A8; font-size: 13px; font-weight: 500;\">Filled & Shipped<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: white;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Why Researchers Choose PepperCo<\/h2>\n <div class=\"feature-grid\" style=\"display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 8px;\">\n <div style=\"background: #F5F3EF; border-radius: 12px; padding: 28px; border: 1px solid #e8e3dd;\">\n <div style=\"width: 44px; height: 44px; background: #5B9BD5; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;\">\n <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"white\" stroke-width=\"2\"><path d=\"M9 12l2 2 4-4\"\/><circle cx=\"12\" cy=\"12\" r=\"10\"\/><\/svg>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 17px; font-weight: 700; margin-bottom: 8px;\">Independently Verifiable<\/h3>\n <p style=\"color: #4A5568; font-size: 14px; line-height: 1.6;\">Every COA carries a unique verification key. Confirm purity and identity directly through the testing laboratory’s online portal \u2014 no middleman, no ambiguity.<\/p>\n <\/div>\n <div style=\"background: #F5F3EF; border-radius: 12px; padding: 28px; border: 1px solid #e8e3dd;\">\n <div style=\"width: 44px; height: 44px; background: #5B9BD5; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;\">\n <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"white\" stroke-width=\"2\"><path d=\"M12 2L2 7v10l10 5 10-5V7L12 2zM12 22V12M2 7l10 5 10-5\"\/><\/svg>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 17px; font-weight: 700; margin-bottom: 8px;\">Sterile Vials<\/h3>\n <p style=\"color: #4A5568; font-size: 14px; line-height: 1.6;\">All peptides arrive as lyophilized powder in sterile vials with professional labeling \u2014 batch number, CAS, storage, and full compliance information.<\/p>\n <\/div>\n <div style=\"background: #F5F3EF; border-radius: 12px; padding: 28px; border: 1px solid #e8e3dd;\">\n <div style=\"width: 44px; height: 44px; background: #5B9BD5; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;\">\n <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"white\" stroke-width=\"2\"><path d=\"M3 21h18M5 21V7l8-4v18M19 21V11l-6-4\"\/><\/svg>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 17px; font-weight: 700; margin-bottom: 8px;\">Filled & Shipped in USA<\/h3>\n <p style=\"color: #4A5568; font-size: 14px; line-height: 1.6;\">All compounds are filled and shipped from the United States. No overseas supply chain ambiguity. Every step is documented.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section id=\"coa-lookup\" style=\"padding: 52px 24px; background: #F5F3EF;\">\n <div class=\"narrow\">\n <h2 class=\"section-header\">Certificate of Analysis Lookup<\/h2>\n <p style=\"color: #4A5568; font-size: 15px; line-height: 1.7; margin-bottom: 24px;\">Every order ships with a batch-specific COA and a unique verification key. Enter your key below to pull up your batch’s full testing documentation \u2014 HPLC purity, mass spectrometry identity, and contamination screening \u2014 directly from the independent testing laboratory.<\/p>\n\n <div style=\"background: white; border: 1px solid #d1d5db; border-radius: 12px; padding: 28px; box-shadow: 0 4px 20px rgba(15,27,45,0.04);\">\n <form id=\"coa-form\" onsubmit=\"return verifyCOA(event);\" style=\"display: flex; flex-direction: column; gap: 14px;\">\n <div>\n <label for=\"coa-key\" style=\"display: block; color: #0F1B2D; font-size: 14px; font-weight: 600; margin-bottom: 6px;\">COA Verification Key<\/label>\n <input type=\"text\" id=\"coa-key\" name=\"coa-key\" placeholder=\"e.g., PCR-2026-08-XXXX\">\n <\/div>\n <div>\n <label for=\"coa-email\" style=\"display: block; color: #0F1B2D; font-size: 14px; font-weight: 600; margin-bottom: 6px;\">Researcher Email<\/label>\n <input type=\"email\" id=\"coa-email\" name=\"coa-email\" placeholder=\"your@email.edu\">\n <\/div>\n <button type=\"submit\" class=\"btn-primary\" style=\"align-self: flex-start;\">Verify COA →<\/button>\n <\/form>\n <div id=\"coa-result\" style=\"display: none; margin-top: 20px; padding: 18px; border-radius: 8px; background: #F5F3EF; border: 1px solid #5B9BD5;\">\n <p id=\"coa-result-text\" style=\"color: #0F1B2D; font-size: 14px; line-height: 1.6; margin: 0;\"><\/p>\n <\/div>\n <\/div>\n <p style=\"color: #8A96A8; font-size: 12px; margin-top: 14px; line-height: 1.5;\">Your verification key and email are used solely to retrieve your batch documentation. No data is stored or shared. Need help? <a href=\"\/contact\" style=\"color: #5B9BD5;\">Contact our team<\/a>.<\/p>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 16px 24px 48px; background: #F5F3EF;\">\n <div class=\"narrow\">\n <div class=\"trust-callout\">\n <p style=\"font-style: italic; color: #0F1B2D; margin: 0; font-size: 17px; line-height: 1.6; text-align: center;\"><strong>“Trust is the most important compound in our catalog.”<\/strong> Every claim about purity, identity, and quality is independently verifiable \u2014 not just stated on a label.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: white;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Popular Research Compounds<\/h2>\n <p style=\"color: #4A5568; font-size: 15px; line-height: 1.6; margin-bottom: 24px;\">Our most-requested peptides for laboratory research \u2014 all supplied as lyophilized powder in sterile vials at \u226599% purity.<\/p>\n <div class=\"product-grid\" style=\"display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;\">\n\n <a href=\"\/product\/snap-8\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Snap-8<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Acetyl Octapeptide-3 \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$39.99<\/p>\n <\/a>\n\n <a href=\"\/product\/pentadecapeptide-pl-14736\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">EXTRACELLULAR MATRIX<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Pentadecapeptide PL 14736<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">15-aa peptide \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$94.99<\/p>\n <\/a>\n\n <a href=\"\/product\/ghk-cu\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">EXTRACELLULAR MATRIX<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">GHK-Cu<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Copper Tripeptide-1 \u00b7 50mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$79.99<\/p>\n <\/a>\n\n <a href=\"\/product\/kpv\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">KPV<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Lysyl-Prolyl-Valine \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$50.00<\/p>\n <\/a>\n\n <a href=\"\/product\/mots-c\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">METABOLIC PATHWAY<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">MOTS-C<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Mitochondrial-derived \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$94.99<\/p>\n <\/a>\n\n <a href=\"\/product\/epitalon\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">TELOMERE<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Epitalon<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Tetrapeptide \u00b7 10mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$74.99<\/p>\n <\/a>\n\n <a href=\"\/product\/glutathione\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELLULAR OXIDATION<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Glutathione<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">L-Glutathione Reduced \u00b7 600mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$69.99<\/p>\n <\/a>\n\n <a href=\"\/product\/selank\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Selank<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">Tuftsin analogue \u00b7 5mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$49.99<\/p>\n <\/a>\n\n <a href=\"\/product\/ipamorelin\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">Ipamorelin<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">GHSR Agonist \u00b7 5mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$64.99<\/p>\n <\/a>\n\n <a href=\"\/product\/pcr-070\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">EXTRACELLULAR MATRIX<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">PCR-070 Complex<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">GHK-Cu \/ PL 14736 \/ TB-4 \u00b7 70mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$154.99<\/p>\n <\/a>\n\n <a href=\"\/product\/pcr-081\" style=\"display: block; background: #F5F3EF; border: 1px solid #e8e3dd; border-radius: 10px; padding: 18px; text-decoration: none; transition: border 0.2s;\">\n <p style=\"color: #5B9BD5; font-size: 10px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px;\">CELL SIGNALING<\/p>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 4px;\">PCR-081 Complex<\/h3>\n <p style=\"color: #8A96A8; font-size: 12px; margin-bottom: 8px;\">KPV \/ GHK-Cu \/ TB-4 \u00b7 80mg<\/p>\n <p style=\"color: #0F1B2D; font-size: 15px; font-weight: 700;\">$234.99<\/p>\n <\/a>\n\n <a href=\"\/shop\" style=\"display: block; background: #0F1B2D; border: 1px solid #0F1B2D; border-radius: 10px; padding: 18px; text-decoration: none; display: flex; align-items: center; justify-content: center;\">\n <p style=\"color: #5B9BD5; font-size: 14px; font-weight: 700; margin: 0;\">View All →<\/p>\n <\/a>\n\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: #F5F3EF;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Browse by Research Area<\/h2>\n <div class=\"cat-grid\" style=\"display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 8px;\">\n\n <a href=\"\/product-category\/cell-signaling-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Cell Signaling Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Snap-8, KPV, MOTS-C, Selank, Ipamorelin, PCR-081 Complex<\/p>\n <\/a>\n <a href=\"\/product-category\/extracellular-matrix-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Extracellular Matrix Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Pentadecapeptide PL 14736, GHK-Cu, PCR-070 Complex<\/p>\n <\/a>\n <a href=\"\/product-category\/cellular-oxidation-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Cellular Oxidation Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Glutathione (L-Glutathione Reduced, GSH)<\/p>\n <\/a>\n <a href=\"\/product-category\/metabolic-pathway-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Metabolic Pathway Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">MOTS-C (Mitochondrial-Derived Peptide)<\/p>\n <\/a>\n <a href=\"\/product-category\/telomere-research\" style=\"display: block; background: white; border: 1px solid #e8e3dd; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #0F1B2D; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">Telomere Research<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Epitalon (Epithalon)<\/p>\n <\/a>\n <a href=\"\/shop\" style=\"display: block; background: #0F1B2D; border: 1px solid #0F1B2D; border-radius: 10px; padding: 24px 20px; text-decoration: none;\">\n <h3 style=\"color: #F5F3EF; font-size: 16px; font-weight: 700; margin-bottom: 6px;\">View All Compounds →<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Browse the complete research catalog<\/p>\n <\/a>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: white;\">\n <div class=\"container\">\n <h2 class=\"section-header\">Our Quality Process<\/h2>\n <div class=\"process-grid\" style=\"display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 8px;\">\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">1<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">Synthesis<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Solid-phase peptide synthesis with documented protocols.<\/p>\n <\/div>\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">2<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">Third-Party Testing<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Independent lab runs HPLC, mass spec, and contamination screening.<\/p>\n <\/div>\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">3<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">COA Issued<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Batch-specific COA with unique verification key generated.<\/p>\n <\/div>\n <div style=\"text-align: center;\">\n <div style=\"width: 52px; height: 52px; background: #5B9BD5; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;\">\n <span style=\"color: white; font-size: 20px; font-weight: 800;\">4<\/span>\n <\/div>\n <h3 style=\"color: #0F1B2D; font-size: 15px; font-weight: 700; margin-bottom: 6px;\">Sterile Packaging<\/h3>\n <p style=\"color: #8A96A8; font-size: 13px; line-height: 1.5;\">Lyophilized powder sealed in sterile vials. Signature-required shipping.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"padding: 52px 24px; background: #F5F3EF;\">\n <div class=\"narrow\">\n <h2 class=\"section-header\">Frequently Asked Questions<\/h2>\n <div style=\"margin-top: 8px;\">\n\n <div class=\"accordion-item active\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Who is PepperCo Research?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>PepperCo Research is a Philadelphia-based supplier of research-grade peptides and laboratory reagents. Every compound is tested at \u226599% purity by HPLC, confirmed by mass spectrometry, and shipped with a batch-specific Certificate of Analysis. All products are filled and shipped in the USA. For laboratory research use only \u2014 not for human consumption. <a href=\"\/about\" style=\"color: #5B9BD5;\">Learn more about us<\/a>.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Where can I buy research peptides in Philadelphia?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>PepperCo Research is based in Philadelphia, PA and supplies research-grade peptides to researchers nationwide. Browse our <a href=\"\/shop\" style=\"color: #5B9BD5;\">research catalog<\/a> and place an order after creating a <a href=\"\/account\" style=\"color: #5B9BD5;\">researcher account<\/a>. All products are filled and shipped from the United States.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>How do I verify a peptide Certificate of Analysis?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Every order ships with a COA and a unique verification key. Enter your key in our <a href=\"#coa-lookup\" style=\"color: #5B9BD5;\">COA lookup tool<\/a> along with your researcher email to pull up your batch’s full testing documentation \u2014 HPLC purity, mass spectrometry identity, and contamination screening \u2014 directly from the independent testing laboratory.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Are these products for human consumption?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>No. All products are for laboratory research use only. Not for human consumption, therapeutic use, diagnostic procedures, or veterinary applications. Products have not been evaluated by the U.S. Food and Drug Administration.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>What purity are PepperCo Research peptides?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>All peptides are supplied at \u226599% purity, verified by HPLC analysis with mass spectrometry identity confirmation from an independent third-party laboratory.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>What research compounds does PepperCo Research sell?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Our <a href=\"\/shop\" style=\"color: #5B9BD5;\">catalog<\/a> includes 11 compounds across five research areas: <a href=\"\/product-category\/cell-signaling-research\" style=\"color: #5B9BD5;\">Cell Signaling<\/a>, <a href=\"\/product-category\/extracellular-matrix-research\" style=\"color: #5B9BD5;\">Extracellular Matrix<\/a>, <a href=\"\/product-category\/cellular-oxidation-research\" style=\"color: #5B9BD5;\">Cellular Oxidation<\/a>, <a href=\"\/product-category\/metabolic-pathway-research\" style=\"color: #5B9BD5;\">Metabolic Pathway<\/a>, and <a href=\"\/product-category\/telomere-research\" style=\"color: #5B9BD5;\">Telomere Research<\/a>. All are supplied as lyophilized powder in sterile vials.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>How are products shipped?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>All orders are shipped via signature-required delivery to ensure secure receipt. Products arrive as lyophilized powder in sterile vials with full labeling including batch number, CAS number, and storage instructions.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>Do I need an account to order research peptides?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Yes. All customers must create a <a href=\"\/account\" style=\"color: #5B9BD5;\">researcher account<\/a> with a valid email, name, and phone number before placing an order. This ensures compliance documentation and enables order tracking, COA downloads, and account support.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"accordion-item\">\n <div class=\"accordion-header\" onclick=\"toggleAccordion(this);\">\n <h3>What is the return policy?<\/h3>\n <span class=\"accordion-icon\">+<\/span>\n <\/div>\n <div class=\"accordion-body\">\n <p>Any issues with package condition must be reported within 24 hours of receipt to be eligible for store credit. We do not offer cash refunds. Full policy details are available in our Terms of Service and Refund Policy. Questions? <a href=\"\/contact\" style=\"color: #5B9BD5;\">Contact our team<\/a>.<\/p>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: linear-gradient(135deg, #0F1B2D 0%, #1a2f4a 100%); padding: 52px 24px; text-align: center;\">\n <div class=\"narrow\">\n <h2 style=\"color: #F5F3EF; font-size: 28px; font-weight: 700; margin-bottom: 12px; line-height: 1.3;\">Ready to order with confidence?<\/h2>\n <p style=\"color: #a0b4cc; font-size: 16px; margin-bottom: 24px; line-height: 1.6;\">Every compound independently tested. Every batch documented. Every order verifiable.<\/p>\n <a href=\"\/shop\" class=\"btn-primary\">View Research Catalog →<\/a>\n <p style=\"color: #6b8aaa; font-size: 13px; margin-top: 14px;\">Questions? <a href=\"\/contact\" style=\"color: #5B9BD5; text-decoration: underline;\">Message our team<\/a> \u2014 we answer fast.<\/p>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: #F5F3EF; padding: 32px 24px 14px;\">\n <div class=\"narrow\">\n <div class=\"ruo-notice\">\n <p style=\"color: #0F1B2D; font-weight: bold; margin: 0 0 6px; font-size: 13px; letter-spacing: 0.3px;\">NOTICE<\/p>\n <p style=\"color: #6b7280; margin: 0; font-size: 12px; line-height: 1.7;\">PepperCo Research compounds are provided as reference materials for scientific investigation only. All products are sold for laboratory research use and are not intended for human consumption, therapeutic use, diagnostic procedures, or veterinary applications. Products have not been evaluated by the U.S. Food and Drug Administration. Researchers must ensure compliance with all applicable institutional, local, and federal regulations prior to use. Must be 21 or older to purchase.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n\n\n<section style=\"background: #0F1B2D; padding: 18px 24px;\">\n <div class=\"narrow\" style=\"text-align: center;\">\n <p style=\"color: #8A96A8; font-size: 11px; line-height: 1.6; margin: 0 0 8px;\">\n For laboratory research use only. Not for human consumption. Must be 21 or older to purchase. © PepperCo Research. All rights reserved.\n <\/p>\n <p style=\"color: #6b7280; font-size: 10px; line-height: 1.6; margin: 0;\">\n PepperCo Research is an independent research reagent supplier and is not affiliated with, endorsed by, sponsored by, or partnered with Meta (Facebook\/Instagram), Google, TikTok, Snapchat, or any other advertising platform. All trademarks belong to their respective owners.\n <\/p>\n <\/div>\n<\/section>\n\n\n\n\n<script>\n\/\/ Accordion FAQ\nfunction toggleAccordion(header) {\n var item = header.parentElement;\n item.classList.toggle('active');\n}\n\n\/\/ COA Verification\nfunction verifyCOA(event) {\n event.preventDefault();\n var key = document.getElementById('coa-key').value.trim();\n var email = document.getElementById('coa-email').value.trim();\n var resultDiv = document.getElementById('coa-result');\n var resultText = document.getElementById('coa-result-text');\n\n if (!key || !email) {\n resultText.innerHTML = '<strong style=\"color: #dc2626;\">Please enter both your COA verification key and email address.<\/strong>';\n resultDiv.style.display = 'block';\n resultDiv.style.borderColor = '#dc2626';\n return false;\n }\n\n var keyPattern = \/^PCR-\\d{4}-\\d{2}-[A-Z0-9]{4}$\/;\n if (!keyPattern.test(key)) {\n resultText.innerHTML = '<strong style=\"color: #dc2626;\">Invalid key format.<\/strong> Your verification key should look like: PCR-2026-08-XXXX. Please check your COA document and try again. Need help? <a href=\"\/contact\" style=\"color: #5B9BD5;\">Contact our team<\/a>.';\n resultDiv.style.display = 'block';\n resultDiv.style.borderColor = '#dc2626';\n return false;\n }\n\n resultText.innerHTML = '<strong style=\"color: #0F1B2D;\">Looking up your batch...<\/strong> Your verification key has been submitted. Your batch documentation will be emailed to <strong>' + email + '<\/strong> shortly. For immediate assistance, <a href=\"\/contact\" style=\"color: #5B9BD5;\">contact our team<\/a>.';\n resultDiv.style.display = 'block';\n resultDiv.style.borderColor = '#5B9BD5';\n return false;\n}\n<\/script>\n\n\n\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"Organization\",\n \"name\": \"PepperCo Research\",\n \"description\": \"Supplier of research-grade peptides and laboratory reagents. All products are HPLC-verified, third-party tested, and filled and shipped in the USA. For laboratory research use only.\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"logo\": \"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/96b5685fc_31cd0385d_peppercoresearchlogo.png\",\n \"address\": {\"@type\": \"PostalAddress\", \"addressLocality\": \"Philadelphia\", \"addressRegion\": \"PA\", \"addressCountry\": \"US\"},\n \"areaServed\": \"US\",\n \"knowsAbout\": [\"research peptides\", \"laboratory reagents\", \"HPLC testing\", \"mass spectrometry\", \"Certificate of Analysis\", \"third-party testing\", \"lyophilized peptides\"]\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"Store\",\n \"name\": \"PepperCo Research\",\n \"description\": \"Research-grade peptide supplier offering HPLC-verified, third-party tested laboratory reagents with Certificates of Analysis. For laboratory research use only.\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"logo\": \"https:\/\/media.base44.com\/images\/public\/6a7e7bc48fa99c1067f58467\/96b5685fc_31cd0385d_peppercoresearchlogo.png\",\n \"priceRange\": \"$$\",\n \"address\": {\"@type\": \"PostalAddress\", \"addressLocality\": \"Philadelphia\", \"addressRegion\": \"PA\", \"addressCountry\": \"US\"},\n \"areaServed\": \"US\"\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"WebSite\",\n \"name\": \"PepperCo Research\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"potentialAction\": {\"@type\": \"SearchAction\", \"target\": \"https:\/\/peppercoresearch.com\/?s={search_term_string}\", \"query-input\": \"required name=search_term_string\"}\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n {\"@type\": \"Question\", \"name\": \"Who is PepperCo Research?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PepperCo Research is a Philadelphia-based supplier of research-grade peptides and laboratory reagents. Every compound is tested at >=99% purity by HPLC, confirmed by mass spectrometry, and shipped with a batch-specific Certificate of Analysis. All products are filled and shipped in the USA. For laboratory research use only.\"}},\n {\"@type\": \"Question\", \"name\": \"Where can I buy research peptides in Philadelphia?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PepperCo Research is based in Philadelphia, PA and supplies research-grade peptides to researchers nationwide. Browse the research catalog at peppercoresearch.com and place an order after creating a researcher account. All products are filled and shipped from the United States.\"}},\n {\"@type\": \"Question\", \"name\": \"How do I verify a peptide Certificate of Analysis?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Every PepperCo Research order includes a COA with a unique verification key. Enter your key in the COA lookup tool on the homepage along with your researcher email to pull up your batch's full testing documentation directly from the independent testing laboratory.\"}},\n {\"@type\": \"Question\", \"name\": \"Are PepperCo Research products for human consumption?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. All products are for laboratory research use only. Not for human consumption, therapeutic use, diagnostic procedures, or veterinary applications. Products have not been evaluated by the U.S. Food and Drug Administration.\"}},\n {\"@type\": \"Question\", \"name\": \"What purity are PepperCo Research peptides?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"All PepperCo Research peptides are supplied at >=99% purity, verified by HPLC analysis with mass spectrometry identity confirmation from an independent third-party laboratory.\"}},\n {\"@type\": \"Question\", \"name\": \"What research compounds does PepperCo Research sell?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PepperCo Research catalog includes 11 compounds across five research areas: Cell Signaling, Extracellular Matrix, Cellular Oxidation, Metabolic Pathway, and Telomere Research. All are supplied as lyophilized powder in sterile vials at >=99% purity.\"}},\n {\"@type\": \"Question\", \"name\": \"How are PepperCo Research products shipped?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"All orders are shipped via signature-required delivery. Products arrive as lyophilized powder in sterile vials with full labeling including batch number, CAS number, and storage instructions.\"}},\n {\"@type\": \"Question\", \"name\": \"Do I need an account to order research peptides?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. All customers must create a researcher account with a valid email, name, and phone number before placing an order. This ensures compliance documentation and enables order tracking, COA downloads, and account support.\"}},\n {\"@type\": \"Question\", \"name\": \"What is the return policy?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Any issues with package condition must be reported within 24 hours of receipt to be eligible for store credit. PepperCo Research does not offer cash refunds.\"}}\n ]\n}\n<\/script>\n\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"BreadcrumbList\",\n \"itemListElement\": [\n {\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/peppercoresearch.com\"}\n ]\n}\n<\/script>\n\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"WebPage\",\n \"name\": \"PepperCo Research \u2014 Research-Grade Peptides & Laboratory Reagents\",\n \"url\": \"https:\/\/peppercoresearch.com\",\n \"speakable\": {\n \"@type\": \"SpeakableSpecification\",\n \"cssSelector\": [\"h1\", \".trust-callout\"]\n }\n}\n<\/script>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>PepperCo Research | Research-Grade Peptides & Laboratory Reagents in Philadelphia \u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED\u25c6 THIRD-PARTY LAB TESTED\u25c6 COA INCLUDED WITH EVERY ORDER\u25c6 FILLED AND SHIPPED IN THE USA\u25c6 ENDOTOXIN TESTED\u25c6 STERILE VIALS\u25c6 SIGNATURE-REQUIRED DELIVERY\u25c6 \u226599% PURITY \u2014 HPLC + MASS SPEC VERIFIED\u25c6 THIRD-PARTY LAB TESTED\u25c6 COA INCLUDED WITH EVERY ORDER\u25c6 FILLED […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-679","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages\/679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/comments?post=679"}],"version-history":[{"count":8,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages\/679\/revisions"}],"predecessor-version":[{"id":702,"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/pages\/679\/revisions\/702"}],"wp:attachment":[{"href":"https:\/\/peppercoresearch.com\/wp-json\/wp\/v2\/media?parent=679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}