Mai Peptide -- Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Mai Peptide.
77
CoAs on file
99.21%
Avg reported purity
6
Compounds tested
Jun 25, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 32 | 99.22% | Jun 4, 2026 |
| Tirzepatide | 21 | 99.41% | Jun 7, 2026 |
| GHK-Cu | 9 | 99.9% | Jun 25, 2026 |
| Ipamorelin | 7 | 97.28% | Apr 27, 2026 |
| Tesamorelin | 4 | 99.88% | Mar 11, 2026 |
| Cagrilintide | 4 | 99.27% | Feb 28, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| GHK-Cu | April 17, 2026 | 99.7% | Finnrick Lab G | Jun 25, 2026 | verify |
| Tirzepatide | -- | 99.8% | Lab G | Jun 7, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Jun 4, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 12, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 12, 2026 | verify |
| Ipamorelin | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab G | Mar 12, 2026 | verify |
| Retatrutide | -- | 99.66% | Lab G | Mar 12, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 11, 2026 | verify |
| Tesamorelin | -- | 99.9% | Lab E | Mar 11, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 99.06% | Lab E | Mar 3, 2026 | verify |
| Cagrilintide | -- | 98.8% | Lab G | Feb 28, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Feb 21, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Feb 21, 2026 | verify |
| Ipamorelin | -- | 99.9% | Lab E | Feb 19, 2026 | verify |
| Cagrilintide | -- | 98.88% | Lab E | Feb 19, 2026 | verify |
| Ipamorelin | -- | 99.81% | Lab E | Feb 19, 2026 | verify |
| Tesamorelin | -- | 99.78% | Lab E | Feb 19, 2026 | verify |
| Tirzepatide | -- | 98.92% | Lab E | Feb 17, 2026 | verify |
| Retatrutide | -- | 99.75% | Lab E | Feb 17, 2026 | verify |
Showing 25 most recent of 77. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/mai-peptide/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/mai-peptide.svg" alt="Mai Peptide: lab tested, 77 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.