PurePeptides: Lab Test Results

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

23
CoAs on file
95.15%
Avg reported purity
4
Compounds tested
Sep 23, 2026
Latest test

Results by compound

CompoundCoAsAvg purityLatest
Retatrutide899.85%Sep 23, 2026
Tirzepatide699.8%Sep 4, 2025
Tesamorelin599.92%Sep 21, 2026
Ipamorelin477.55%Mar 20, 2025

Recent CoAs

CompoundBatchPurityLabTested
Retatrutiden/an/aLab ESep 23, 2026verify
Tesamorelinn/an/aLab KSep 21, 2026verify
Tesamorelinn/a99.9%Lab EAug 12, 2026verify
TesamorelinTSM20-02n/aLab EJul 13, 2026verify
RetatrutideRT60-04n/aLab EJul 13, 2026verify
Retatrutide2025-05-2299.9%Lab EMar 19, 2026verify
TesamorelinGRCTes100199.9%Lab EMar 2, 2026verify
RetatrutideRT531499.95%Lab EJan 19, 2026verify
TesamorelinGRCTes100199.95%Lab EJan 15, 2026verify
Tirzepatiden/a99.79%Lab ESep 4, 2025verify
Tirzepatiden/a99.9%Lab EAug 11, 2025verify
Tirzepatide2024-07-2399.98%Lab BMar 20, 2025verify
Ipamorelin2024-01-0579.31%Lab BMar 20, 2025verify
Retatrutide2024-10-2199.93%Lab BMar 20, 2025verify
Ipamorelin2024-01-0579.838%Lab CMar 5, 2025verify
Ipamorelin2024-01-0579.975%Lab CMar 5, 2025verify
Retatrutide2024-10-2199.753%Lab CFeb 28, 2025verify
Tirzepatide2024-07-2399.607%Lab CFeb 28, 2025verify
Retatrutide2024-10-2199.651%Lab CFeb 28, 2025verify
Tirzepatide2024-07-2399.806%Lab CFeb 28, 2025verify
Ipamorelin2024-01-0571.093%Lab AFeb 27, 2025verify
Retatrutide2024-10-2199.896%Lab AFeb 27, 2025verify
Tirzepatide2024-07-2399.732%Lab AFeb 27, 2025verify

Showing 23 most recent of 23. Search the full database on the CoA page.

Embed this badge

Sell or represent PurePeptides? 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/purepeptides/" rel="noopener">
  <img src="https://ascendpeptide.org/coa/badge/purepeptides.svg" alt="PurePeptides: lab tested, 23 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.