HPLC Verified Ā· Third-Party Tested Certificates of Analysis Every Peak Peptides batch is independently tested by qualified US labs. Browse the full library of release-grade Certificates of Analysis below. Certificate of Analysis - MOTS-C 20mg open Certificate of Analysis - GHK-Cu 50mg open Certificate of Analysis - GLOW open Certificate of Analysis - Glutathione 1500mg open Certificate of Analysis - KPV 10mg open Certificate of Analysis - Melanotan II - 10mg open Certificate of Analysis - Retatrutide 10mg open Certificate of Analysis - Retatrutide 20mg open Certificate of Analysis - Retatrutide 30mg open Certificate of Analysis - Selank 10mg open Certificate of Analysis - Semax 10mg open Certificate of Analysis - Tesamorelin 10mg open Certificate of Analysis - BPC-157/TB-500 -20mg open Certificate of Analysis - CJC-1295/ Ipamorelin - 10mg/10mg open Certificate of Analysis - NAD+ - 500mg open