Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by PurePeptides.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 8 | 99.85% | Sep 23, 2026 |
| Tirzepatide | 6 | 99.8% | Sep 4, 2025 |
| Tesamorelin | 5 | 99.92% | Sep 21, 2026 |
| Ipamorelin | 4 | 77.55% | Mar 20, 2025 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | n/a | Lab E | Sep 23, 2026 | verify |
| Tesamorelin | n/a | n/a | Lab K | Sep 21, 2026 | verify |
| Tesamorelin | n/a | 99.9% | Lab E | Aug 12, 2026 | verify |
| Tesamorelin | TSM20-02 | n/a | Lab E | Jul 13, 2026 | verify |
| Retatrutide | RT60-04 | n/a | Lab E | Jul 13, 2026 | verify |
| Retatrutide | 2025-05-22 | 99.9% | Lab E | Mar 19, 2026 | verify |
| Tesamorelin | GRCTes1001 | 99.9% | Lab E | Mar 2, 2026 | verify |
| Retatrutide | RT5314 | 99.95% | Lab E | Jan 19, 2026 | verify |
| Tesamorelin | GRCTes1001 | 99.95% | Lab E | Jan 15, 2026 | verify |
| Tirzepatide | n/a | 99.79% | Lab E | Sep 4, 2025 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Aug 11, 2025 | verify |
| Tirzepatide | 2024-07-23 | 99.98% | Lab B | Mar 20, 2025 | verify |
| Ipamorelin | 2024-01-05 | 79.31% | Lab B | Mar 20, 2025 | verify |
| Retatrutide | 2024-10-21 | 99.93% | Lab B | Mar 20, 2025 | verify |
| Ipamorelin | 2024-01-05 | 79.838% | Lab C | Mar 5, 2025 | verify |
| Ipamorelin | 2024-01-05 | 79.975% | Lab C | Mar 5, 2025 | verify |
| Retatrutide | 2024-10-21 | 99.753% | Lab C | Feb 28, 2025 | verify |
| Tirzepatide | 2024-07-23 | 99.607% | Lab C | Feb 28, 2025 | verify |
| Retatrutide | 2024-10-21 | 99.651% | Lab C | Feb 28, 2025 | verify |
| Tirzepatide | 2024-07-23 | 99.806% | Lab C | Feb 28, 2025 | verify |
| Ipamorelin | 2024-01-05 | 71.093% | Lab A | Feb 27, 2025 | verify |
| Retatrutide | 2024-10-21 | 99.896% | Lab A | Feb 27, 2025 | verify |
| Tirzepatide | 2024-07-23 | 99.732% | Lab A | Feb 27, 2025 | verify |
Showing 23 most recent of 23. Search the full database on the CoA page.
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.
<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.