Top Peptide: Lab Test Results

Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Top Peptide.

48
CoAs on file
99.58%
Avg reported purity
6
Compounds tested
Aug 13, 2026
Latest test

Results by compound

CompoundCoAsAvg purityLatest
Tirzepatide1999.62%Aug 12, 2026
Retatrutide1399.82%Aug 13, 2026
GHK-Cu599.86%Apr 23, 2026
Tesamorelin497.76%Aug 12, 2026
BPC-157499.73%May 13, 2026
Semaglutide399.5%Feb 20, 2026

Recent CoAs

CompoundBatchPurityLabTested
RetatrutideLeo2026-0699.9%Lab EAug 13, 2026verify
RetatrutideLucy-2026-0599.9%Lab EAug 12, 2026verify
TesamorelinLucy-white-2026-0599.9%Lab EAug 12, 2026verify
TirzepatideLeo-2026-0699.9%Lab EAug 12, 2026verify
RetatrutideRT60-2026050199.9%Lab EJun 22, 2026verify
Tesamorelinn/an/aLab GJun 17, 2026verify
RetatrutideRT40-2026050199.9%Lab EJun 16, 2026verify
Retatrutiden/a99.7%Lab GJun 12, 2026verify
Tirzepatiden/a99.6%Lab GJun 12, 2026verify
BPC-157n/a99.9%Lab EMay 13, 2026verify
Tirzepatiden/a99.9%Lab EApr 28, 2026verify
GHK-Cun/a99.9%Lab EApr 23, 2026verify
Tirzepatiden/a99.9%Lab EApr 23, 2026verify
Retatrutiden/a99.7%Lab GMar 20, 2026verify
BPC-157n/a99.4%Lab GMar 20, 2026verify
Retatrutiden/a99.9%Lab EMar 18, 2026verify
BPC-157n/a99.9%Lab EMar 18, 2026verify
TirzepatideGrey Top 10 ML99.9%Lab GMar 4, 2026verify
GHK-Cun/a99.9%Lab EFeb 22, 2026verify
Tirzepatiden/a99.77%Lab EFeb 20, 2026verify
Semaglutiden/an/aLab EFeb 20, 2026verify
Tirzepatiden/a99.8%Lab EFeb 20, 2026verify
Tirzepatiden/a99.77%Lab EFeb 11, 2026verify
Tesamorelinn/a94.13%Lab EFeb 4, 2026verify
Retatrutiden/a99.8%Lab GJan 22, 2026verify

Showing 25 most recent of 48. Search the full database on the CoA page.

Embed this badge

Sell or represent Top Peptide? Link your customers to this page with the badge below. Free, no signup. The badge and counts update as new lab results land.

Lab tested badge preview
<a href="https://ascendpeptide.org/coa/vendor/top-peptide/" rel="noopener">
  <img src="https://ascendpeptide.org/coa/badge/top-peptide.svg" alt="Top Peptide: lab tested, 48 CoAs on file at ASCEND Peptide" width="230" height="54">
</a>

Data comes from publicly posted third-party lab certificates (Janoshik, MZ Biolabs, and others) and community submissions. Purity figures are as reported by the testing lab for the specific batch tested; they are not a guarantee of any other batch. For research and informational purposes only.