Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Oupeptide.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 61 | 99.65% | Apr 27, 2026 |
| Retatrutide | 60 | 99.63% | Jun 21, 2026 |
| Tesamorelin | 14 | 96.18% | Apr 27, 2026 |
| GHK-Cu | 12 | 99.82% | Jun 14, 2026 |
| BPC-157 | 8 | 99.52% | Feb 8, 2026 |
| Ipamorelin | 7 | 99.6% | Jan 25, 2026 |
| Semaglutide | 6 | 99.76% | Jan 28, 2026 |
| TB-500 | 4 | 91.74% | May 26, 2026 |
| Cagrilintide | 4 | 98.79% | May 7, 2026 |
| PT-141 | 3 | 99.72% | Feb 8, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | -- | 99.9% | Lab E | Jun 21, 2026 | verify |
| GHK-Cu | 03182026 | 99.9% | Lab E | Jun 14, 2026 | verify |
| GHK-Cu | -- | 99.6% | Lab G | Jun 11, 2026 | verify |
| TB-500 | 03182026 | 96.4% | Lab E | May 26, 2026 | verify |
| Retatrutide | 3172026 | 99.9% | Lab E | May 19, 2026 | verify |
| Cagrilintide | -- | 97.7% | Lab E | May 7, 2026 | verify |
| Retatrutide | -- | 99.4% | Lab G | Apr 29, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Tesamorelin | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Tesamorelin | -- | 99.9% | Lab E | Mar 11, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Mar 11, 2026 | verify |
| Tirzepatide | -- | 99.1% | Lab E | Mar 11, 2026 | verify |
| Tesamorelin | -- | 99.9% | Lab E | Mar 11, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 9, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tesamorelin | -- | -- | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab G | Mar 3, 2026 | verify |
| Tesamorelin | -- | 80% | Lab G | Mar 3, 2026 | verify |
| Tirzepatide | -- | 99.89% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 1, 2026 | verify |
Showing 25 most recent of 179. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/oupeptide/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/oupeptide.svg" alt="Oupeptide: lab tested, 179 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.