Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Zhejiang Yichenkang Biotechnology.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 12 | 99.69% | Dec 10, 2025 |
| Tirzepatide | 9 | 99.62% | Dec 4, 2025 |
| Semaglutide | 7 | 99.6% | Aug 4, 2025 |
| Ipamorelin | 7 | 99.82% | Sep 4, 2025 |
| BPC-157 | 7 | 99.04% | Aug 3, 2025 |
| CJC-1295 | 6 | 99.64% | Aug 3, 2025 |
| Melanotan II | 5 | 99.01% | Aug 3, 2025 |
| GHK-Cu | 5 | 99.95% | Sep 19, 2025 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | -- | 99.62% | Lab E | Dec 10, 2025 | verify |
| Tirzepatide | -- | 99.5% | Lab G | Dec 4, 2025 | verify |
| Retatrutide | -- | 99.4% | Lab G | Dec 1, 2025 | verify |
| Retatrutide | -- | 99.95% | Lab E | Nov 24, 2025 | verify |
| Retatrutide | -- | 99.95% | Lab E | Oct 16, 2025 | verify |
| GHK-Cu | -- | 100% | Lab G | Sep 19, 2025 | verify |
| GHK-Cu | -- | 100% | Lab G | Sep 19, 2025 | verify |
| Ipamorelin | -- | 99.7% | Lab G | Sep 4, 2025 | verify |
| Ipamorelin | -- | 100% | Lab G | Sep 4, 2025 | verify |
| Semaglutide | -- | 99.11% | Lab D | Aug 4, 2025 | verify |
| Retatrutide | -- | 99.29% | Lab D | Aug 4, 2025 | verify |
| Tirzepatide | -- | 99.46% | Lab D | Aug 4, 2025 | verify |
| CJC-1295 | -- | 99.13% | Lab D | Aug 3, 2025 | verify |
| Ipamorelin | -- | 99.55% | Lab D | Aug 3, 2025 | verify |
| BPC-157 | -- | 99.46% | Lab D | Aug 3, 2025 | verify |
| Melanotan II | -- | 99.78% | Lab D | Aug 3, 2025 | verify |
| Retatrutide | -- | 99.94% | Lab E | Aug 3, 2025 | verify |
| BPC-157 | -- | 97% | Lab G | Jul 24, 2025 | verify |
| BPC-157 | -- | 99% | Lab G | Jul 24, 2025 | verify |
| Tirzepatide | -- | 100% | Lab G | Jul 23, 2025 | verify |
| Tirzepatide | -- | 100% | Lab G | Jul 23, 2025 | verify |
| Retatrutide | -- | 100% | Lab G | Jul 22, 2025 | verify |
| Retatrutide | -- | 100% | Lab G | Jul 22, 2025 | verify |
| Semaglutide | -- | 100% | Lab G | Jul 21, 2025 | verify |
| Semaglutide | -- | 100% | Lab G | Jul 21, 2025 | verify |
Showing 25 most recent of 58. Search the full database on the CoA page.
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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.