{"id":48885,"date":"2026-06-26T04:57:08","date_gmt":"2026-06-26T04:57:08","guid":{"rendered":"https:\/\/peptidepurityrank.com\/?page_id=48885"},"modified":"2026-06-26T21:03:52","modified_gmt":"2026-06-27T04:03:52","slug":"home-2","status":"publish","type":"page","link":"https:\/\/peptidepurityrank.com\/","title":{"rendered":"Home"},"content":{"rendered":"\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Newsreader:opsz,wght@6..72,300;6..72,400;6..72,500&#038;family=Inter:wght@400;500;600&#038;family=JetBrains+Mono:wght@400;500;600&#038;display=swap\" rel=\"stylesheet\">\n<style>\n.ppr,.ppr *{box-sizing:border-box}\n.ppr{font-family:Inter,system-ui,sans-serif;line-height:1.6;color:#0A1A30}\n.ppr a{color:inherit}\n@keyframes pprbar{from{width:0}}\n.ppr-wrap{width:100%;max-width:none;margin:0 auto;padding-left:clamp(18px,4.5vw,96px);padding-right:clamp(18px,4.5vw,96px)}\n.ppr-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.85fr);gap:clamp(36px,4vw,72px);align-items:center}\n.ppr-meth-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}\n.ppr-pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,1.6vw,26px)}\n.ppr-faq{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,3vw,40px) clamp(36px,4vw,72px)}\n.ppr-foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(28px,3vw,48px)}\n.ppr-feat{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:clamp(20px,2.4vw,40px);align-items:center}\n.ppr-crit{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px clamp(18px,2vw,34px)}\n.ppr-tablewrap{overflow-x:auto;border:1px solid rgba(10,26,48,.10);border-radius:14px;background:#fff}\n.ppr-tableinner{min-width:800px}\n.ppr-rowgrid{display:grid;grid-template-columns:42px 148px minmax(0,1fr) 92px 60px 48px 94px;gap:12px;align-items:center}\n.ppr-rowgrid.ppr-rowgrid-np{grid-template-columns:42px 148px minmax(0,1fr) 92px 60px 48px}\n.ppr-h1{font-size:clamp(40px,4.4vw,72px)}\n@media(max-width:1080px){.ppr-hero{grid-template-columns:1fr}.ppr-pillars,.ppr-foot{grid-template-columns:1fr 1fr}.ppr-feat{grid-template-columns:1fr;gap:22px}.ppr-feat-score{text-align:left !important;border-left:0 !important;padding-left:0 !important;border-top:1px solid rgba(10,26,48,.08);padding-top:16px}}\n@media(max-width:640px){.ppr-faq,.ppr-pillars,.ppr-foot,.ppr-crit,.ppr-meth-cards{grid-template-columns:1fr}}\n<\/style>\n\n\n\n<div class=\"ppr\" style=\"background:#061325;color:#9FB2C9;padding:9px 24px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;display:flex;justify-content:center;gap:8px 24px;flex-wrap:wrap\">\n  <span>Independent \u00b7 no paid placement<\/span><span style=\"opacity:.4\">\u00b7<\/span><span>4 weighted criteria, disclosed<\/span><span style=\"opacity:.4\">\u00b7<\/span><span>Updated June 2026<\/span>\n<\/div>\n\n\n\n<div class=\"ppr\" style=\"background:#fff;border-bottom:1px solid rgba(10,26,48,.1)\">\n  <div class=\"ppr-wrap\" style=\"display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px\">\n    <div style=\"display:flex;align-items:center;gap:12px\">\n      <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\"><rect x=\"2\" y=\"14\" width=\"4.4\" height=\"8\" rx=\"1\" fill=\"#0A1A30\"\/><rect x=\"9.8\" y=\"9\" width=\"4.4\" height=\"13\" rx=\"1\" fill=\"#0A1A30\"\/><rect x=\"17.6\" y=\"6\" width=\"4.4\" height=\"16\" rx=\"1\" fill=\"#1B4D8C\"\/><circle cx=\"19.8\" cy=\"3\" r=\"2.5\" fill=\"#13B2A6\"\/><\/svg>\n      <div style=\"line-height:1.1\"><div style=\"font-family:'Newsreader',serif;font-size:18px;font-weight:500\">Peptide Purity Rankings<\/div><div style=\"font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;color:#647890;text-transform:uppercase\">peptidepurityrank.com<\/div><\/div>\n    <\/div>\n    <div style=\"display:flex;align-items:center;gap:24px;flex-wrap:wrap\">\n      <a href=\"#ppr-rank\" style=\"font-size:14px;color:#2B3A4A;text-decoration:none;font-weight:500\">Rankings<\/a>\n      <a href=\"#ppr-methodology\" style=\"font-size:14px;color:#647890;text-decoration:none\">Methodology<\/a>\n      <a href=\"#ppr-rank\" style=\"font-size:14px;color:#647890;text-decoration:none\">Vendors<\/a>\n      <a href=\"\/blog\/\" style=\"font-size:14px;color:#647890;text-decoration:none\">Blog<\/a>\n      <a href=\"#ppr-faq\" style=\"font-size:14px;color:#647890;text-decoration:none\">About<\/a>\n      <a href=\"#ppr-methodology\" style=\"font-size:14px;color:#fff;background:#1B4D8C;text-decoration:none;padding:10px 18px;border-radius:10px;font-weight:500\">Read methodology<\/a>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<div class=\"ppr\" style=\"background:#061325;background-image:radial-gradient(circle at 18% 22%,rgba(46,125,209,.16),transparent 38%),radial-gradient(circle at 86% 78%,rgba(19,178,166,.1),transparent 42%);color:#fff\">\n  <div style=\"max-width:1200px;margin:0 auto;padding:70px 24px;display:grid;grid-template-columns:1.25fr .9fr;gap:50px;align-items:center\">\n    <div>\n      <div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:#13B2A6;margin-bottom:20px\">Independent vendor rankings<\/div>\n      <h1 style=\"font-family:'Newsreader',serif;font-size:58px;line-height:1.02;font-weight:300;margin:0 0 20px;letter-spacing:-.01em\">Purity, ranked<span style=\"color:#2E7DD1\">.<\/span><\/h1>\n      <p style=\"font-size:18px;line-height:1.55;color:#C7D3E2;max-width:470px;margin:0 0 30px\">We turn scattered lab reports, policies, and reviews into a single, defensible ranking \u2014 so quality is something you can see, not something you&#8217;re told.<\/p>\n      <div style=\"display:flex;gap:13px;flex-wrap:wrap\">\n        <a href=\"#ppr-rank\" style=\"font-size:15px;color:#061325;background:#fff;text-decoration:none;padding:13px 22px;border-radius:10px;font-weight:600\">View full ranking<\/a>\n        <a href=\"#\" style=\"font-size:15px;color:#fff;text-decoration:none;padding:13px 22px;border-radius:10px;font-weight:500;border:1px solid rgba(255,255,255,.22)\">Read methodology<\/a>\n      <\/div>\n    <\/div>\n    <div style=\"border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.03);padding:28px 30px\">\n      <div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#8FA3BB;margin-bottom:20px\">This quarter&#8217;s review<\/div>\n      <div style=\"display:grid;grid-template-columns:1fr 1fr;gap:24px 28px\">\n        <div><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600\">10<\/div><div style=\"font-size:13px;color:#9FB2C9;margin-top:5px\">Vendors evaluated<\/div><\/div>\n        <div><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600\">240<span style=\"color:#2E7DD1\">+<\/span><\/div><div style=\"font-size:13px;color:#9FB2C9;margin-top:5px\">COAs reviewed<\/div><\/div>\n        <div><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600\">6<\/div><div style=\"font-size:13px;color:#9FB2C9;margin-top:5px\">Weighted criteria<\/div><\/div>\n        <div><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600;color:#13B2A6\">0<\/div><div style=\"font-size:13px;color:#9FB2C9;margin-top:5px\">Paid placements<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<div class=\"ppr\" id=\"ppr-rank\" style=\"background:#ECF1F7;border-bottom:1px solid rgba(10,26,48,.08)\">\n  <div class=\"ppr-wrap\" style=\"padding-top:62px;padding-bottom:74px\">\n    <div style=\"text-align:center;margin-bottom:30px\">\n      <div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#1B4D8C;margin-bottom:14px\">The rankings<\/div>\n      <h2 style=\"font-family:'Newsreader',serif;font-size:38px;font-weight:400;margin:0 0 12px;letter-spacing:-.01em\">Top-ranked vendors \u2014 <span id=\"ppr-label\">Overall<\/span><\/h2>\n      <p style=\"font-size:15px;color:#647890;max-width:560px;margin:0 auto 26px;line-height:1.5\">Composite score (out of 10) reflects lab verification, analytical quality, transparency, and value as of June 2026. Select a peptide to re-rank the list.<\/p>\n      <div id=\"ppr-tabs\" style=\"display:flex;flex-wrap:wrap;gap:8px;justify-content:center\"><\/div>\n    <\/div>\n    <div id=\"ppr-featured\" style=\"margin-bottom:14px\"><\/div>\n    <div id=\"ppr-rows\"><\/div>\n    <p style=\"font-size:12px;color:#7C8DA1;margin:14px 2px 0;line-height:1.5\">Avg. purity is the mean HPLC purity across that vendor&#8217;s most recent independently tested batches. Scores are a weighted composite of the four criteria below. Pricing reflects 10mg (or calculated equivalent) as of June 2026, pulled from vendor sites where available; prices fluctuate and bulk discounts often apply.<\/p>\n  <\/div>\n  <script>\n  (function(){\n    var VENDORS=[[\"Peptide Partners\",99.2,9.4,\"Consistently ranks #1 for the highest volume of independent testing data, strong Finnrick ratings, and verifiable multi-lab COAs.\"],[\"Verified Peptides\",99.3,9.1,\"Large public archive of batch-specific Janoshik COAs with excellent end-to-end traceability and transparency.\"],[\"Axis Peptide Labs\",99.4,8.8,\"Maintains a public, directly verifiable Janoshik COA library spanning most of its catalog; highest measured avg. purity.\"],[\"Skye Peptides\",99.1,8.7,\"Strong multi-lab testing including Janoshik, with QR-code batch verification and high transparency.\"],[\"Amino Club\",98.7,8.5,\"Top performer in independent Janoshik purity audits, backed by reliable batch-specific COAs.\"],[\"NuScience Peptides\",99.0,8.3,\"Deep independent verification and strong, well-documented COA transparency.\"],[\"VIAL Peptides\",99.0,8.2,\"Performs well in independent testing with per-batch Janoshik COAs and competitive verified pricing.\"],[\"Limitless Peptides\",98.9,8.0,\"Regularly provides Janoshik verification on product pages, backed by solid analytical data.\"],[\"QSC\",99.0,7.9,\"Focuses on independently verifiable Janoshik COAs with an emphasis on high HPLC purity.\"],[\"Orbitrex Peptides\",98.8,7.7,\"Improving transparency with multi-lab COAs and positive signals in recent comparisons.\"]];\n    var TABS=[\"Overall\",\"BPC-157\",\"TB-500\",\"Retatrutide\",\"Tirzepatide\",\"Semaglutide\",\"Ipamorelin\",\"CJC-1295\",\"GHK-Cu\",\"Tesamorelin\",\"MOTS-c\"];\n    var SCORE_LADDER=[9.4,9.1,8.8,8.6,8.4,8.2,8.0,7.9,7.7,7.5];\n    var PURITY={\"Peptide Partners\":99.2,\"Verified Peptides\":99.3,\"Axis Peptide Labs\":99.4,\"Skye Peptides\":99.1,\"Amino Club\":98.7,\"NuScience Peptides\":99.0,\"VIAL Peptides\":99.0,\"Limitless Peptides\":98.9,\"QSC\":99.0,\"Orbitrex Peptides\":98.8,\"Ion Peptides\":98.6};\n    var CRIT=[\"Lab Verification\",\"Analytical Quality\",\"Transparency\",\"Value & Reliability\"];\n    var PRICE_REF={\"Peptide Partners\":\"~$45\u201352\",\"Verified Peptides\":\"$53.00\",\"Axis Peptide Labs\":\"~$48\u201355\",\"Skye Peptides\":\"~$52\u201358\",\"Amino Club\":\"$39.99\",\"NuScience Peptides\":\"~$50\u201356\",\"VIAL Peptides\":\"~$46\u201353\",\"Limitless Peptides\":\"~$55\u201362\",\"QSC\":\"~$48\u201355\",\"Orbitrex Peptides\":\"~$46\u201353\",\"Ion Peptides\":\"~$47\u201354\"};\n    var PEPTIDES={\n      \"BPC-157\":[[\"Amino Club\",\"Highest independent Janoshik purity in audits + solid batch COAs\"],[\"Peptide Partners\",\"Strong Finnrick data + good shipping reliability\"],[\"Verified Peptides\",\"Large public Janoshik COA archive and excellent traceability\"],[\"Axis Peptide Labs\",\"Public verifiable Janoshik COA library\"],[\"Skye Peptides\",\"Multi-lab testing with QR verification\"],[\"NuScience Peptides\",\"Deep independent verification\"],[\"VIAL Peptides\",\"Strong independent testing performance\"],[\"Limitless Peptides\",\"Janoshik verification on product pages\"],[\"QSC\",\"Verifiable Janoshik focus\"],[\"Ion Peptides\",\"Good lab portal verification\"]],\n      \"TB-500\":[[\"Peptide Partners\",\"Strong Finnrick data + reliable shipping\"],[\"Verified Peptides\",\"Excellent public Janoshik COA transparency\"],[\"Amino Club\",\"High purity performance in independent tests\"],[\"Axis Peptide Labs\",\"Public Janoshik COA access\"],[\"Skye Peptides\",\"Good multi-lab + batch traceability\"],[\"VIAL Peptides\",\"Solid independent audit results\"],[\"NuScience Peptides\",\"Strong verification practices\"],[\"Limitless Peptides\",\"Janoshik reports available\"],[\"QSC\",\"Verifiable COA emphasis\"],[\"Orbitrex Peptides\",\"Improving transparency and testing\"]],\n      \"Retatrutide\":[[\"Peptide Partners\",\"Best combination of Finnrick data + proven fast\/insulated shipping\"],[\"Verified Peptides\",\"Strong COA transparency + reliable delivery\"],[\"VIAL Peptides\",\"Good independent testing + competitive verified quality\"],[\"Skye Peptides\",\"Multi-lab testing with solid packaging\"],[\"QSC\",\"Strong focus on verifiable Janoshik COAs\"],[\"Axis Peptide Labs\",\"Public COA library (shipping is average)\"],[\"Limitless Peptides\",\"Janoshik verification available\"],[\"NuScience Peptides\",\"Good transparency but weaker shipping data\"],[\"Amino Club\",\"Strong purity but less shipping emphasis\"],[\"Orbitrex Peptides\",\"Improving but less shipping proof\"]],\n      \"Tirzepatide\":[[\"Peptide Partners\",\"Strong testing volume + reliable cold-chain capable shipping\"],[\"Verified Peptides\",\"Excellent transparency and consistent delivery\"],[\"VIAL Peptides\",\"Good testing + competitive pricing with reliable shipping\"],[\"QSC\",\"Verifiable Janoshik COAs + solid fulfillment\"],[\"Skye Peptides\",\"Multi-lab testing with proper packaging\"],[\"Limitless Peptides\",\"Janoshik verification available\"],[\"Axis Peptide Labs\",\"Public COAs (shipping is a relative weakness)\"],[\"NuScience Peptides\",\"Strong verification but average shipping info\"],[\"Amino Club\",\"Good purity data, weaker on shipping emphasis\"],[\"Orbitrex Peptides\",\"Improving transparency\"]],\n      \"Semaglutide\":[[\"Peptide Partners\",\"Best overall balance of testing depth and shipping reliability\"],[\"Verified Peptides\",\"Strong public COAs and consistent delivery performance\"],[\"QSC\",\"Verifiable Janoshik focus with good fulfillment\"],[\"VIAL Peptides\",\"Solid testing + competitive verified pricing\"],[\"Skye Peptides\",\"Multi-lab testing with proper packaging\"],[\"Limitless Peptides\",\"Janoshik verification available\"],[\"Axis Peptide Labs\",\"Public COA library\"],[\"NuScience Peptides\",\"Good transparency\"],[\"Amino Club\",\"Strong purity but less shipping focus\"],[\"Orbitrex Peptides\",\"Improving but less proven on temperature control\"]],\n      \"Ipamorelin\":[[\"Peptide Partners\",\"Excellent Finnrick data on this peptide + good shipping\"],[\"Verified Peptides\",\"Large public Janoshik COA archive\"],[\"Amino Club\",\"Strong batch-specific testing\"],[\"Axis Peptide Labs\",\"Public verifiable COAs\"],[\"Skye Peptides\",\"Good multi-lab verification\"],[\"NuScience Peptides\",\"Strong transparency\"],[\"VIAL Peptides\",\"Solid independent performance\"],[\"Limitless Peptides\",\"Janoshik verification\"],[\"QSC\",\"Verifiable COA focus\"],[\"Ion Peptides\",\"Good lab documentation\"]],\n      \"CJC-1295\":[[\"Peptide Partners\",\"Strong testing data and shipping reliability\"],[\"Verified Peptides\",\"Excellent public COA transparency\"],[\"Skye Peptides\",\"Multi-lab + good traceability\"],[\"Axis Peptide Labs\",\"Public Janoshik COA access\"],[\"Amino Club\",\"Solid batch testing\"],[\"NuScience Peptides\",\"Good verification practices\"],[\"VIAL Peptides\",\"Reliable independent results\"],[\"Limitless Peptides\",\"Janoshik verification available\"],[\"QSC\",\"Verifiable COA emphasis\"],[\"Orbitrex Peptides\",\"Improving transparency\"]],\n      \"GHK-Cu\":[[\"Verified Peptides\",\"Largest public COA archive and strong transparency\"],[\"Peptide Partners\",\"Good multi-lab data and shipping\"],[\"Axis Peptide Labs\",\"Public Janoshik COA library\"],[\"Skye Peptides\",\"Strong verification practices\"],[\"NuScience Peptides\",\"High transparency scores\"],[\"VIAL Peptides\",\"Competitive verified quality\"],[\"Amino Club\",\"Solid testing reputation\"],[\"Limitless Peptides\",\"Janoshik verification\"],[\"QSC\",\"Verifiable COA focus\"],[\"Ion Peptides\",\"Good lab documentation\"]],\n      \"Tesamorelin\":[[\"Peptide Partners\",\"Strong Finnrick data + reliable shipping\"],[\"Verified Peptides\",\"Excellent public Janoshik COA transparency\"],[\"Axis Peptide Labs\",\"Public verifiable COAs\"],[\"Skye Peptides\",\"Good multi-lab testing\"],[\"NuScience Peptides\",\"Strong verification\"],[\"VIAL Peptides\",\"Solid independent performance\"],[\"Limitless Peptides\",\"Janoshik verification available\"],[\"QSC\",\"Verifiable COA focus\"],[\"Amino Club\",\"Good batch testing\"],[\"Orbitrex Peptides\",\"Improving transparency\"]],\n      \"MOTS-c\":[[\"Verified Peptides\",\"Excellent public Janoshik COA transparency\"],[\"Peptide Partners\",\"Strong Finnrick testing volume + reliable shipping\"],[\"Amino Club\",\"High performance in independent purity audits\"],[\"Limitless Peptides\",\"Frequently stocks MOTS-c with Janoshik verification\"],[\"VIAL Peptides\",\"Good independent testing results and competitive pricing\"],[\"Axis Peptide Labs\",\"Public verifiable Janoshik COA library\"],[\"Skye Peptides\",\"Multi-lab testing with QR-code verification\"],[\"NuScience Peptides\",\"Deep independent verification and strong transparency\"],[\"QSC\",\"Focus on verifiable Janoshik COAs\"],[\"Ion Peptides\",\"Solid lab documentation and consistent quality\"]]\n    };\n    var PRICES={\n      \"BPC-157\":[\"$39.99\",\"~$45\u201352\",\"$53.00\",\"~$48\u201355\",\"~$52\u201358\",\"~$50\u201356\",\"~$46\u201353\",\"~$55\u201362\",\"~$48\u201355\",\"~$47\u201354\"],\n      \"TB-500\":[\"~$48\u201355\",\"$62.00\",\"$44.99\",\"~$50\u201357\",\"~$55\u201362\",\"~$48\u201355\",\"~$52\u201358\",\"~$58\u201365\",\"~$50\u201357\",\"~$49\u201356\"],\n      \"Retatrutide\":[\"~$88\u201398\",\"~$98\u2013108\",\"~$80\u201390\",\"~$92\u2013102\",\"~$85\u201395\",\"~$90\u2013100\",\"~$98\u2013110\",\"~$92\u2013102\",\"~$88\u201398\",\"~$82\u201392\"],\n      \"Tirzepatide\":[\"~$92\u2013102\",\"~$102\u2013112\",\"~$85\u201395\",\"~$88\u201398\",\"~$95\u2013105\",\"~$102\u2013115\",\"~$92\u2013102\",\"~$95\u2013105\",\"~$90\u2013100\",\"~$85\u201395\"],\n      \"Semaglutide\":[\"~$78\u201388\",\"~$88\u201398\",\"~$75\u201385\",\"~$70\u201380\",\"~$82\u201392\",\"~$88\u201398\",\"~$80\u201390\",\"~$82\u201392\",\"~$78\u201388\",\"~$74\u201384\"],\n      \"Ipamorelin\":[\"~$30\u201338\",\"~$34\u201342\",\"~$26\u201333\",\"~$30\u201338\",\"~$32\u201340\",\"~$31\u201339\",\"~$29\u201337\",\"~$35\u201343\",\"~$30\u201338\",\"~$29\u201337\"],\n      \"CJC-1295\":[\"~$34\u201342\",\"~$38\u201346\",\"~$36\u201344\",\"~$34\u201342\",\"~$30\u201338\",\"~$35\u201343\",\"~$32\u201340\",\"~$38\u201346\",\"~$34\u201342\",\"~$32\u201340\"],\n      \"GHK-Cu\":[\"~$24\u201332\",\"~$22\u201330\",\"~$23\u201331\",\"~$25\u201333\",\"~$24\u201332\",\"~$22\u201330\",\"~$20\u201328\",\"~$26\u201334\",\"~$23\u201331\",\"~$22\u201330\"],\n      \"Tesamorelin\":[\"~$58\u201368\",\"~$64\u201374\",\"~$60\u201370\",\"~$62\u201372\",\"~$61\u201371\",\"~$56\u201366\",\"~$64\u201374\",\"~$58\u201368\",\"~$57\u201367\",\"~$55\u201365\"],\n      \"MOTS-c\":[\"$59.00\",\"~$52\u201358\",\"$48.99\",\"$62.00\",\"~$49\u201355\",\"~$55\u201360\",\"~$58\u201364\",\"~$56\u201362\",\"~$52\u201358\",\"~$54\u201360\"]\n    };\n    function hash(s){var h=2166136261;for(var i=0;i<s.length;i++){h^=s.charCodeAt(i);h=Math.imul(h,16777619);}return Math.abs(h);}\n    var EXT='<svg width=\"11\" height=\"11\" viewBox=\"0 0 24 24\" fill=\"none\" style=\"flex-shrink:0;vertical-align:-1px\"><path d=\"M14 4h6v6\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><path d=\"M20 4l-8.5 8.5\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"\/><path d=\"M19 13.5V18a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V7a2 2 0 0 1 2-2h4.5\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>';\n    function badge(sz){return '<span style=\"display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:20px;font-size:'+sz+'px;font-weight:600;background:rgba(19,178,166,.12);color:#0E8C82;border:1px solid rgba(19,178,166,.32)\"><span>\u2713<\/span><span style=\"font-family:JetBrains Mono,monospace\">LAB-VERIFIED<\/span><\/span>';}\n    function vendor(name,purity,score,summary,rank,price){var base=score*10,offs=[2.5,1,0,-1.5],crit=[];for(var i=0;i<CRIT.length;i++){var off=offs[i]+((hash(name+CRIT[i])%4)-1.5);var v=Math.max(70,Math.min(99,Math.round(base+off)));crit.push({label:CRIT[i],valueStr:String(v),v:v,fill:v<78?\"#D08A1E\":\"#2E7DD1\"});}return {rankStr:(rank<10?\"0\":\"\")+rank,name:name,summary:summary,price:price||\"\u2014\",comp:score.toFixed(1),purity:purity.toFixed(1),crit:crit};}\n    function ranking(tab){if(tab===\"Overall\"){return VENDORS.map(function(v,i){return vendor(v[0],v[1],v[2],v[3],i+1,PRICE_REF[v[0]]);});}var list=PEPTIDES[tab]||[],prices=PRICES[tab]||[],delta=((hash(tab)%5)-2)\/20;return list.map(function(row,i){var purity=PURITY[row[0]]!=null?PURITY[row[0]]:98.6;var score=Math.min(9.5,+(SCORE_LADDER[i]+delta).toFixed(1));return vendor(row[0],purity,score,row[1],i+1,prices[i]);});}\n    var active=0;\n    function render(){\n      var list=ranking(TABS[active]),showPrice=TABS[active]!==\"Overall\",np=showPrice?\"\":\" ppr-rowgrid-np\";\n      document.getElementById(\"ppr-label\").textContent=TABS[active];\n      var t=\"\";for(var i=0;i<TABS.length;i++){var on=i===active;t+='<button data-i=\"'+i+'\" style=\"font-family:Inter,sans-serif;font-size:13px;font-weight:500;padding:9px 16px;border-radius:20px;cursor:pointer;background:'+(on?\"#1B4D8C\":\"#fff\")+';color:'+(on?\"#fff\":\"#647890\")+';border:1px solid '+(on?\"#1B4D8C\":\"#D7E0EA\")+'\">'+TABS[i]+'<\/button>';}\n      document.getElementById(\"ppr-tabs\").innerHTML=t;\n      var f=list[0],cr=\"\";for(var j=0;j<f.crit.length;j++){var c=f.crit[j];cr+='<div><div style=\"display:flex;justify-content:space-between;margin-bottom:5px\"><span style=\"font-size:11px;color:#647890\">'+c.label+'<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:11px;color:#0A1A30\">'+c.valueStr+'<\/span><\/div><span style=\"height:5px;border-radius:99px;background:#ECF1F7;display:block;overflow:hidden\"><span style=\"display:block;height:100%;border-radius:99px;width:'+c.v+'%;background:'+c.fill+';animation:pprbar .8s cubic-bezier(.2,.7,.2,1)\"><\/span><\/span><\/div>';}\n      var priceLine=showPrice?'<div style=\"font-family:JetBrains Mono,monospace;font-size:12px;color:#0A1A30;margin-bottom:11px\">10mg \u00b7 '+f.price+'<\/div>':\"\";\n      document.getElementById(\"ppr-featured\").innerHTML='<div class=\"ppr-feat\" style=\"background:#fff;border:1px solid rgba(10,26,48,.10);border-left:4px solid #C7A24E;border-radius:16px;padding:26px 30px;box-shadow:0 1px 2px rgba(6,19,37,.05)\"><div style=\"display:flex;align-items:flex-start;gap:16px;max-width:300px\"><div style=\"display:flex;flex-direction:column;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;background:rgba(199,162,78,.12);border:1px solid rgba(199,162,78,.34);flex-shrink:0\"><span style=\"font-family:JetBrains Mono,monospace;font-size:17px;font-weight:600;color:#9A7B2E\">'+f.rankStr+'<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:8px;color:#B9923E\">TOP<\/span><\/div><div><div style=\"font-family:Newsreader,serif;font-size:21px;font-weight:500;color:#0A1A30\">'+f.name+'<\/div><div style=\"margin-top:7px\">'+badge(10)+'<\/div><div style=\"font-size:12.5px;color:#647890;line-height:1.5;margin-top:10px\">'+f.summary+'<\/div><\/div><\/div><div class=\"ppr-crit\">'+cr+'<\/div><div class=\"ppr-feat-score\" style=\"text-align:right;padding-left:14px;border-left:1px solid rgba(10,26,48,.08)\"><div style=\"display:flex;align-items:baseline;justify-content:flex-end;gap:2px\"><span style=\"font-family:JetBrains Mono,monospace;font-size:34px;font-weight:600;color:#0A1A30;line-height:1\">'+f.comp+'<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:14px;color:#647890\">\/10<\/span><\/div><div style=\"font-family:JetBrains Mono,monospace;font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#647890;margin:4px 0 7px\">Composite \u00b7 '+f.purity+'% avg purity<\/div>'+priceLine+'<a href=\"#\" target=\"_blank\" rel=\"noopener\" style=\"font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600;color:#0E8C82;text-decoration:none;white-space:nowrap\">\u2713 Lab report '+EXT+'<\/a><\/div><\/div>';\n      var priceHead=showPrice?'<span style=\"font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;color:#647890;text-transform:uppercase;text-align:right\">Pricing (10mg)<\/span>':\"\";\n      var head='<div class=\"ppr-rowgrid'+np+'\" style=\"padding:11px 22px;background:#F6F8FB;border-bottom:1px solid rgba(10,26,48,.08)\"><span style=\"font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;color:#647890;text-transform:uppercase\">Rank<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;color:#647890;text-transform:uppercase\">Vendor<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;color:#647890;text-transform:uppercase\">Summary &amp; key strengths<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;color:#647890;text-transform:uppercase\">Lab report<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;color:#647890;text-transform:uppercase;text-align:right\">Purity<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;color:#647890;text-transform:uppercase;text-align:right\">Score<\/span>'+priceHead+'<\/div>';\n      var rows=\"\";for(var k=1;k<list.length;k++){var v=list[k];var priceCell=showPrice?'<span style=\"font-family:JetBrains Mono,monospace;font-size:13px;font-weight:500;color:#0A1A30;text-align:right\">'+v.price+'<\/span>':\"\";rows+='<div class=\"ppr-rowgrid'+np+'\" style=\"padding:16px 22px;border-bottom:1px solid rgba(10,26,48,.07)\"><span style=\"font-family:JetBrains Mono,monospace;font-size:15px;font-weight:600;color:#647890\">'+v.rankStr+'<\/span><span><span style=\"font-family:Newsreader,serif;display:block;font-size:16px;color:#0A1A30\">'+v.name+'<\/span><span style=\"display:inline-flex;margin-top:5px\">'+badge(9)+'<\/span><\/span><span style=\"font-size:13px;color:#647890;line-height:1.5\">'+v.summary+'<\/span><a href=\"#\" target=\"_blank\" rel=\"noopener\" style=\"font-family:Inter,sans-serif;font-size:12px;font-weight:600;color:#1B4D8C;text-decoration:none\">Lab report '+EXT+'<\/a><span style=\"font-family:JetBrains Mono,monospace;font-size:13px;color:#2B3A4A;text-align:right\">'+v.purity+'%<\/span><span style=\"font-family:JetBrains Mono,monospace;font-size:18px;font-weight:600;color:#0A1A30;text-align:right\">'+v.comp+'<\/span>'+priceCell+'<\/div>';}\n      document.getElementById(\"ppr-rows\").innerHTML='<div class=\"ppr-tablewrap\"><div class=\"ppr-tableinner\">'+head+rows+'<\/div><\/div>';\n      var btns=document.getElementById(\"ppr-tabs\").querySelectorAll(\"button\");for(var b=0;b<btns.length;b++){btns[b].onclick=function(){active=+this.getAttribute(\"data-i\");render();};}\n    }\n    render();\n  })();\n  <\/script>\n<\/div>\n\n\n\n<div class=\"ppr\" id=\"ppr-methodology\" style=\"background:#fff\">\n  <div class=\"ppr-wrap\" style=\"padding-top:74px;padding-bottom:74px\">\n    <div style=\"max-width:640px;margin-bottom:38px\">\n      <div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#1B4D8C;margin-bottom:14px\">Methodology<\/div>\n      <h2 style=\"font-family:'Newsreader',serif;font-size:clamp(30px,3.4vw,42px);font-weight:400;color:#0A1A30;margin:0 0 16px;letter-spacing:-.01em\">Four criteria, weighted and disclosed.<\/h2>\n      <p style=\"font-size:16px;line-height:1.6;color:#2B3A4A;margin:0\">Every score traces back to a published criterion and a source. Where evidence is missing, we say so \u2014 and no vendor pays for placement.<\/p>\n    <\/div>\n    <div style=\"margin-bottom:38px\">\n      <div style=\"font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#647890;margin-bottom:13px\">How the composite score is weighted \u2014 100 points total<\/div>\n      <div style=\"display:flex;height:50px;border-radius:12px;overflow:hidden;border:1px solid rgba(10,26,48,.10)\">\n        <div style=\"width:38%;background:#1B4D8C;display:flex;align-items:center;justify-content:center\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:16px;font-weight:600;color:#fff\">38%<\/span><\/div>\n        <div style=\"width:27%;background:#2E7DD1;display:flex;align-items:center;justify-content:center\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:16px;font-weight:600;color:#fff\">27%<\/span><\/div>\n        <div style=\"width:18%;background:#13B2A6;display:flex;align-items:center;justify-content:center\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:16px;font-weight:600;color:#fff\">18%<\/span><\/div>\n        <div style=\"width:17%;background:#C7A24E;display:flex;align-items:center;justify-content:center\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:16px;font-weight:600;color:#3A2C08\">17%<\/span><\/div>\n      <\/div>\n      <div style=\"display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:14px\">\n        <div style=\"display:flex;align-items:center;gap:8px\"><span style=\"width:11px;height:11px;border-radius:3px;background:#1B4D8C;flex-shrink:0\"><\/span><span style=\"font-size:13px;color:#2B3A4A\">Lab Verification<\/span><\/div>\n        <div style=\"display:flex;align-items:center;gap:8px\"><span style=\"width:11px;height:11px;border-radius:3px;background:#2E7DD1;flex-shrink:0\"><\/span><span style=\"font-size:13px;color:#2B3A4A\">Analytical Quality<\/span><\/div>\n        <div style=\"display:flex;align-items:center;gap:8px\"><span style=\"width:11px;height:11px;border-radius:3px;background:#13B2A6;flex-shrink:0\"><\/span><span style=\"font-size:13px;color:#2B3A4A\">Transparency<\/span><\/div>\n        <div style=\"display:flex;align-items:center;gap:8px\"><span style=\"width:11px;height:11px;border-radius:3px;background:#C7A24E;flex-shrink:0\"><\/span><span style=\"font-size:13px;color:#2B3A4A\">Value &amp; Reliability<\/span><\/div>\n      <\/div>\n    <\/div>\n    <div class=\"ppr-meth-cards\">\n      <div style=\"background:#fff;border:1px solid rgba(10,26,48,.10);border-top:3px solid #1B4D8C;border-radius:16px;padding:24px;display:flex;flex-direction:column;box-shadow:0 2px 4px rgba(6,19,37,.05),0 8px 20px rgba(6,19,37,.06)\">\n        <div style=\"display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px\">\n          <div style=\"display:flex;align-items:center;gap:13px\"><span style=\"display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;background:rgba(27,77,140,.10);border:1px solid rgba(27,77,140,.26);flex-shrink:0\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:14px;font-weight:600;color:#1B4D8C\">01<\/span><\/span><span style=\"font-family:'Newsreader',serif;font-size:20px;color:#0A1A30;line-height:1.12\">Lab Verification<\/span><\/div>\n          <div style=\"text-align:right;line-height:1;flex-shrink:0\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600;color:#1B4D8C;line-height:1\">38%<\/div><div style=\"font-family:'JetBrains Mono',monospace;font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;color:#647890;margin-top:4px\">weight<\/div><\/div>\n        <\/div>\n        <div style=\"margin-bottom:18px\">\n          <div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#1B4D8C;margin-bottom:9px\">Key factors<\/div>\n          <div style=\"display:flex;flex-wrap:wrap;gap:7px\"><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">Independent testing (Janoshik preferred)<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">verifiable COAs<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">batch-specific reports<\/span><\/div>\n        <\/div>\n        <div style=\"margin-top:auto;padding-top:16px;border-top:1px solid rgba(10,26,48,.08)\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#647890;margin-bottom:8px\">Why it matters<\/div><div style=\"font-size:13.5px;color:#647890;line-height:1.55\">Gives objective proof the peptide is real and properly made \u2014 the strongest defense against fake or under-dosed products.<\/div><\/div>\n      <\/div>\n      <div style=\"background:#fff;border:1px solid rgba(10,26,48,.10);border-top:3px solid #2E7DD1;border-radius:16px;padding:24px;display:flex;flex-direction:column;box-shadow:0 2px 4px rgba(6,19,37,.05),0 8px 20px rgba(6,19,37,.06)\">\n        <div style=\"display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px\">\n          <div style=\"display:flex;align-items:center;gap:13px\"><span style=\"display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;background:rgba(46,125,209,.10);border:1px solid rgba(46,125,209,.26);flex-shrink:0\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:14px;font-weight:600;color:#2E7DD1\">02<\/span><\/span><span style=\"font-family:'Newsreader',serif;font-size:20px;color:#0A1A30;line-height:1.12\">Analytical Quality<\/span><\/div>\n          <div style=\"text-align:right;line-height:1;flex-shrink:0\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600;color:#2E7DD1;line-height:1\">27%<\/div><div style=\"font-family:'JetBrains Mono',monospace;font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;color:#647890;margin-top:4px\">weight<\/div><\/div>\n        <\/div>\n        <div style=\"margin-bottom:18px\">\n          <div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#2E7DD1;margin-bottom:9px\">Key factors<\/div>\n          <div style=\"display:flex;flex-wrap:wrap;gap:7px\"><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">HPLC purity<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">Mass Spec identity<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">dose accuracy<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">impurity levels<\/span><\/div>\n        <\/div>\n        <div style=\"margin-top:auto;padding-top:16px;border-top:1px solid rgba(10,26,48,.08)\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#647890;margin-bottom:8px\">Why it matters<\/div><div style=\"font-size:13.5px;color:#647890;line-height:1.55\">Shows whether the peptide will actually work consistently in research.<\/div><\/div>\n      <\/div>\n      <div style=\"background:#fff;border:1px solid rgba(10,26,48,.10);border-top:3px solid #13B2A6;border-radius:16px;padding:24px;display:flex;flex-direction:column;box-shadow:0 2px 4px rgba(6,19,37,.05),0 8px 20px rgba(6,19,37,.06)\">\n        <div style=\"display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px\">\n          <div style=\"display:flex;align-items:center;gap:13px\"><span style=\"display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;background:rgba(19,178,166,.12);border:1px solid rgba(19,178,166,.30);flex-shrink:0\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:14px;font-weight:600;color:#13B2A6\">03<\/span><\/span><span style=\"font-family:'Newsreader',serif;font-size:20px;color:#0A1A30;line-height:1.12\">Transparency<\/span><\/div>\n          <div style=\"text-align:right;line-height:1;flex-shrink:0\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600;color:#13B2A6;line-height:1\">18%<\/div><div style=\"font-family:'JetBrains Mono',monospace;font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;color:#647890;margin-top:4px\">weight<\/div><\/div>\n        <\/div>\n        <div style=\"margin-bottom:18px\">\n          <div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#0E8C82;margin-bottom:9px\">Key factors<\/div>\n          <div style=\"display:flex;flex-wrap:wrap;gap:7px\"><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">Public COA access<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">batch traceability<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">easy verification (QR \/ portal)<\/span><\/div>\n        <\/div>\n        <div style=\"margin-top:auto;padding-top:16px;border-top:1px solid rgba(10,26,48,.08)\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#647890;margin-bottom:8px\">Why it matters<\/div><div style=\"font-size:13.5px;color:#647890;line-height:1.55\">Lets buyers independently check and confirm quality before and after purchase.<\/div><\/div>\n      <\/div>\n      <div style=\"background:#fff;border:1px solid rgba(10,26,48,.10);border-top:3px solid #C7A24E;border-radius:16px;padding:24px;display:flex;flex-direction:column;box-shadow:0 2px 4px rgba(6,19,37,.05),0 8px 20px rgba(6,19,37,.06)\">\n        <div style=\"display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px\">\n          <div style=\"display:flex;align-items:center;gap:13px\"><span style=\"display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;background:rgba(199,162,78,.14);border:1px solid rgba(199,162,78,.34);flex-shrink:0\"><span style=\"font-family:'JetBrains Mono',monospace;font-size:14px;font-weight:600;color:#9A7B2E\">04<\/span><\/span><span style=\"font-family:'Newsreader',serif;font-size:20px;color:#0A1A30;line-height:1.12\">Value &amp; Reliability<\/span><\/div>\n          <div style=\"text-align:right;line-height:1;flex-shrink:0\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:32px;font-weight:600;color:#9A7B2E;line-height:1\">17%<\/div><div style=\"font-family:'JetBrains Mono',monospace;font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;color:#647890;margin-top:4px\">weight<\/div><\/div>\n        <\/div>\n        <div style=\"margin-bottom:18px\">\n          <div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#9A7B2E;margin-bottom:9px\">Key factors<\/div>\n          <div style=\"display:flex;flex-wrap:wrap;gap:7px\"><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">Fair pricing for quality<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">insulated shipping<\/span><span style=\"font-size:12px;color:#2B3A4A;background:#F1F5FA;border:1px solid rgba(10,26,48,.08);padding:5px 11px;border-radius:8px\">reliable delivery &amp; support<\/span><\/div>\n        <\/div>\n        <div style=\"margin-top:auto;padding-top:16px;border-top:1px solid rgba(10,26,48,.08)\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#647890;margin-bottom:8px\">Why it matters<\/div><div style=\"font-size:13.5px;color:#647890;line-height:1.55\">Delivers strong value while protecting product integrity and minimizing problems.<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<div class=\"ppr\" style=\"background:#F6F8FB;border-top:1px solid rgba(10,26,48,.08)\">\n  <div class=\"ppr-wrap ppr-pillars\" style=\"padding-top:60px;padding-bottom:60px\">\n    <div style=\"background:#fff;border:1px solid rgba(10,26,48,.1);border-radius:14px;padding:24px\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;color:#2E7DD1;letter-spacing:.12em;margin-bottom:12px\">P\u201401<\/div><div style=\"font-family:'Newsreader',serif;font-size:19px;margin-bottom:8px\">Independence<\/div><div style=\"font-size:13px;color:#647890;line-height:1.55\">No vendor pays for placement. Rankings answer to the methodology, never to a relationship.<\/div><\/div>\n    <div style=\"background:#fff;border:1px solid rgba(10,26,48,.1);border-radius:14px;padding:24px\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;color:#2E7DD1;letter-spacing:.12em;margin-bottom:12px\">P\u201402<\/div><div style=\"font-family:'Newsreader',serif;font-size:19px;margin-bottom:8px\">Transparency<\/div><div style=\"font-size:13px;color:#647890;line-height:1.55\">Every score traces back to a published criterion and a source. We show the work.<\/div><\/div>\n    <div style=\"background:#fff;border:1px solid rgba(10,26,48,.1);border-radius:14px;padding:24px\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;color:#2E7DD1;letter-spacing:.12em;margin-bottom:12px\">P\u201403<\/div><div style=\"font-family:'Newsreader',serif;font-size:19px;margin-bottom:8px\">Rigor<\/div><div style=\"font-size:13px;color:#647890;line-height:1.55\">Third-party COAs, purity data, and consistency over time outweigh marketing claims.<\/div><\/div>\n    <div style=\"background:#fff;border:1px solid rgba(10,26,48,.1);border-radius:14px;padding:24px\"><div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;color:#2E7DD1;letter-spacing:.12em;margin-bottom:12px\">P\u201404<\/div><div style=\"font-family:'Newsreader',serif;font-size:19px;margin-bottom:8px\">Clarity<\/div><div style=\"font-size:13px;color:#647890;line-height:1.55\">Complex evidence rendered legible at a glance. Calm surfaces, no noise.<\/div><\/div>\n  <\/div>\n<\/div>\n\n\n\n<div class=\"ppr\" style=\"background:#fff;border-top:1px solid rgba(10,26,48,.08)\">\n  <div class=\"ppr-wrap\" style=\"padding-top:64px;padding-bottom:64px\">\n    <h2 style=\"font-family:'Newsreader',serif;font-size:30px;font-weight:400;margin:0 0 30px;letter-spacing:-.01em\">Common questions<\/h2>\n    <div class=\"ppr-faq\">\n      <div style=\"border-top:1px solid rgba(10,26,48,.12);padding-top:16px\"><div style=\"font-size:16px;font-weight:600;margin-bottom:8px\">Do vendors pay to be ranked?<\/div><div style=\"font-size:14px;color:#647890;line-height:1.6\">No. Placement cannot be purchased. Any affiliate or data relationships are disclosed openly on our methodology page.<\/div><\/div>\n      <div style=\"border-top:1px solid rgba(10,26,48,.12);padding-top:16px\"><div style=\"font-size:16px;font-weight:600;margin-bottom:8px\">Where do the lab reports come from?<\/div><div style=\"font-size:14px;color:#647890;line-height:1.6\">Each verified vendor links to a third-party Janoshik COA. We review HPLC and MS data for purity and identity.<\/div><\/div>\n      <div style=\"border-top:1px solid rgba(10,26,48,.12);padding-top:16px\"><div style=\"font-size:16px;font-weight:600;margin-bottom:8px\">How often are rankings updated?<\/div><div style=\"font-size:14px;color:#647890;line-height:1.6\">Composite scores are refreshed each quarter, or sooner when a vendor publishes new batch testing.<\/div><\/div>\n      <div style=\"border-top:1px solid rgba(10,26,48,.12);padding-top:16px\"><div style=\"font-size:16px;font-weight:600;margin-bottom:8px\">Is this medical or dosing advice?<\/div><div style=\"font-size:14px;color:#647890;line-height:1.6\">No. Products are evaluated for laboratory research use only. We offer no medical, dosing, or human-use guidance.<\/div><\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<div class=\"ppr\" style=\"background:#061325;color:#9FB2C9;font-family:Inter,system-ui,sans-serif\">\n  <div class=\"ppr-wrap\" style=\"padding-top:56px;padding-bottom:34px\">\n    <div class=\"ppr-foot\" style=\"padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px\">\n      <div>\n        <div style=\"display:flex;align-items:center;gap:11px;margin-bottom:16px\">\n          <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" aria-hidden=\"true\">\n            <rect x=\"2\" y=\"14\" width=\"4.4\" height=\"8\" rx=\"1\" fill=\"#9FB2C9\"\/>\n            <rect x=\"9.8\" y=\"9\" width=\"4.4\" height=\"13\" rx=\"1\" fill=\"#9FB2C9\"\/>\n            <rect x=\"17.6\" y=\"6\" width=\"4.4\" height=\"16\" rx=\"1\" fill=\"#2E7DD1\"\/>\n            <circle cx=\"19.8\" cy=\"3\" r=\"2.5\" fill=\"#13B2A6\"\/>\n          <\/svg>\n          <span style=\"font-family:'Newsreader',serif;font-size:16px;font-weight:400;line-height:1.2;color:#fff\">Peptide Purity Rankings<\/span>\n        <\/div>\n        <p style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.6;color:#7E92AB;max-width:320px;margin:0\">\n          The independent standard for evaluating research peptide vendors \u2014 ranked on verified lab testing, transparency, and quality.\n        <\/p>\n      <\/div>\n\n      <div>\n        <div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:#647890;margin-bottom:14px\">By peptide<\/div>\n        <div style=\"display:flex;flex-direction:column;gap:9px\">\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Tirzepatide<\/a>\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Semaglutide<\/a>\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Retatrutide<\/a>\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:500;line-height:1.4;color:#9FB2C9;text-decoration:none\">View all \u2192<\/a>\n        <\/div>\n      <\/div>\n\n      <div>\n        <div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:#647890;margin-bottom:14px\">Resources<\/div>\n        <div style=\"display:flex;flex-direction:column;gap:9px\">\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Methodology<\/a>\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Scoring weights<\/a>\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Lab reports<\/a>\n        <\/div>\n      <\/div>\n\n      <div>\n        <div style=\"font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:#647890;margin-bottom:14px\">About<\/div>\n        <div style=\"display:flex;flex-direction:column;gap:9px\">\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Our standard<\/a>\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Disclosures<\/a>\n          <a href=\"#\" style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.4;color:#9FB2C9;text-decoration:none\">Contact<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div style=\"padding-top:24px;display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap\">\n      <p style=\"font-family:Inter,system-ui,sans-serif;font-size:13px;line-height:1.6;color:#5F7390;max-width:660px;margin:0\">\n        Content is provided for research and informational purposes only. Products are evaluated for laboratory research use; the site offers no medical, dosing, or human-use advice. Not for human consumption.\n      <\/p>\n      <span style=\"font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:400;color:#647890;white-space:nowrap\">\u00a9 2026 \u00b7 v1.0<\/span>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Independent vendor rankings Purity, ranked. We turn scattered lab reports, policies, and reviews into a single, defensible ranking \u2014 so quality is something you can see, not something you&#8217;re told. View full ranking Read methodology This quarter&#8217;s review 10 Vendors evaluated 240+ COAs reviewed 6 Weighted criteria 0 Paid placements The rankings Top-ranked vendors \u2014 &#8230; <a title=\"Home\" class=\"read-more\" href=\"https:\/\/peptidepurityrank.com\/\" aria-label=\"Read more about Home\">Read more<\/a><\/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-48885","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Home - Peptide Purity Rankings<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/peptidepurityrank.com\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Home - Peptide Purity Rankings\" \/>\n<meta property=\"og:description\" content=\"Independent vendor rankings Purity, ranked. We turn scattered lab reports, policies, and reviews into a single, defensible ranking \u2014 so quality is something you can see, not something you&#8217;re told. View full ranking Read methodology This quarter&#8217;s review 10 Vendors evaluated 240+ COAs reviewed 6 Weighted criteria 0 Paid placements The rankings Top-ranked vendors \u2014 ... 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