Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Yimei.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 52 | 99.62% | Aug 15, 2026 |
| GHK-Cu | 17 | 99.88% | Aug 20, 2026 |
| BPC-157 | 12 | 98.28% | Aug 20, 2026 |
| Ipamorelin | 8 | 99.86% | Apr 29, 2026 |
| Tirzepatide | 7 | 99.84% | May 18, 2026 |
| CJC-1295 No DAC | 6 | 97.98% | Apr 29, 2026 |
| Tesamorelin | 6 | 95.15% | Mar 6, 2026 |
| TB-500 | 5 | 99.78% | Aug 20, 2026 |
| TB-500 Thymosin Beta-4 | 2 | 74.44% | Mar 3, 2026 |
| Epithalon | 1 | 99.6% | Aug 20, 2026 |
| CJC-1295 | 1 | 99.72% | Mar 3, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| TB-500 | n/a | 99.6% | Lab G | Aug 20, 2026 | verify |
| Epithalon | n/a | 99.6% | Lab G | Aug 20, 2026 | verify |
| BPC-157 | n/a | 83.8% | Lab G | Aug 20, 2026 | verify |
| GHK-Cu | n/a | 99.7% | Lab G | Aug 20, 2026 | verify |
| TB-500 | n/a | n/a | Lab G | Aug 19, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Aug 15, 2026 | verify |
| GHK-Cu | n/a | n/a | Lab G | Aug 14, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Jul 9, 2026 | verify |
| BPC-157 | n/a | 99.9% | Lab E | Jun 16, 2026 | verify |
| Retatrutide | 900-20 | 99.9% | Lab E | Jun 15, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | May 18, 2026 | verify |
| Ipamorelin | n/a | 99.8% | Lab G | Apr 29, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Apr 29, 2026 | verify |
| CJC-1295 No DAC | n/a | 99.5% | Lab G | Apr 29, 2026 | verify |
| Tirzepatide | 800-30 | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | 900-30 | 99.9% | Lab E | Apr 27, 2026 | verify |
| CJC-1295 No DAC | n/a | 99.4% | Lab E | Apr 27, 2026 | verify |
| Ipamorelin | n/a | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | 900-30 | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | n/a | 98.4% | Lab E | Apr 22, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Apr 22, 2026 | verify |
| BPC-157 | n/a | 99.8% | Lab G | Mar 20, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 18, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 17, 2026 | verify |
Showing 25 most recent of 117. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/yimei/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/yimei.svg" alt="Yimei: lab tested, 117 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.