Yimei -- Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Yimei.
109
CoAs on file
98.89%
Avg reported purity
8
Compounds tested
Jun 16, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 50 | 99.61% | Jun 15, 2026 |
| GHK-Cu | 15 | 99.89% | Apr 22, 2026 |
| BPC-157 | 11 | 99.73% | Jun 16, 2026 |
| Ipamorelin | 8 | 99.86% | Apr 29, 2026 |
| Tirzepatide | 7 | 99.84% | May 18, 2026 |
| CJC-1295 | 7 | 98.23% | Apr 29, 2026 |
| Tesamorelin | 6 | 95.15% | Mar 6, 2026 |
| TB-500 | 5 | 89.68% | Mar 6, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| BPC-157 | -- | 99.9% | Lab E | Jun 16, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Jun 15, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | May 18, 2026 | verify |
| Ipamorelin | -- | 99.8% | Lab G | Apr 29, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab G | Apr 29, 2026 | verify |
| CJC-1295 | -- | 99.5% | Lab G | Apr 29, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| CJC-1295 | -- | 99.4% | Lab E | Apr 27, 2026 | verify |
| Ipamorelin | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 98.4% | Lab E | Apr 22, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| BPC-157 | -- | 99.8% | Lab G | Mar 20, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 18, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 17, 2026 | verify |
| CJC-1295 | -- | 89.3% | Lab E | Mar 17, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 9, 2026 | verify |
| Tesamorelin | -- | 99.7% | Lab G | Mar 6, 2026 | verify |
| TB-500 | -- | 99.9% | Lab G | Mar 6, 2026 | verify |
| Retatrutide | -- | 99.7% | Lab G | Mar 6, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| CJC-1295 | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| BPC-157 | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
Showing 25 most recent of 109. 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, 109 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.