Mix Peptides: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Mix Peptides.
44
CoAs on file
97.7%
Avg reported purity
4
Compounds tested
Sep 4, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 24 | 97.78% | Aug 31, 2026 |
| Retatrutide | 14 | 97.17% | Sep 4, 2026 |
| Semaglutide | 3 | 99.87% | Jan 29, 2026 |
| Cagrilintide | 3 | 97.37% | Sep 4, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Cagrilintide | 2026J52-04 | 99.9% | Lab E | Sep 4, 2026 | verify |
| Retatrutide | 2025B53-11 | 99.9% | Lab E | Sep 4, 2026 | verify |
| Tirzepatide | 2026A56-04 | 99.9% | Lab G | Aug 31, 2026 | verify |
| Retatrutide | 2026B510-04 | 99.9% | Lab G | Aug 6, 2026 | verify |
| Tirzepatide | 97880 | 99.9% | Lab E | May 5, 2026 | verify |
| Retatrutide | 2025B53-11 | 99.9% | Lab E | Apr 28, 2026 | verify |
| Tirzepatide | 2026A58-01 | 99.9% | Lab E | Apr 23, 2026 | verify |
| Retatrutide | 2026B56-01 | 99.7% | Lab G | Mar 17, 2026 | verify |
| Tirzepatide | 2026A58-01 | 99.9% | Lab E | Mar 6, 2026 | verify |
| Retatrutide | 2025B510-10 | 99.9% | Lab E | Mar 6, 2026 | verify |
| Tirzepatide | 2025A56-12 | 98.15% | Lab E | Mar 4, 2026 | verify |
| Tirzepatide | n/a | 97.46% | Lab E | Mar 4, 2026 | verify |
| Retatrutide | 2025B510-10 | 99.9% | Lab E | Mar 2, 2026 | verify |
| Retatrutide | 2025B53-11 | 99.8% | Lab G | Feb 20, 2026 | verify |
| Cagrilintide | 2025j52-11 | 99.8% | Lab G | Feb 20, 2026 | verify |
| Semaglutide | 2025C52-10 | 99.77% | Lab E | Jan 29, 2026 | verify |
| Tirzepatide | 2025A56-10 | 99.9% | Lab G | Jan 26, 2026 | verify |
| Retatrutide | 2025B53-11 | 99.8% | Lab E | Jan 26, 2026 | verify |
| Tirzepatide | 2025A56-11 | 99.95% | Lab E | Jan 19, 2026 | verify |
| Tirzepatide | 2025A512-10 | 99.95% | Lab E | Jan 19, 2026 | verify |
| Semaglutide | 2025C52-10 | 99.95% | Lab E | Jan 19, 2026 | verify |
| Retatrutide | 2025B510-10 | 99.95% | Lab E | Jan 19, 2026 | verify |
| Cagrilintide | 2025J52-11 | 92.4% | Lab E | Jan 19, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Dec 29, 2025 | verify |
| Tirzepatide | 2025A56-10 | 99.8% | Lab G | Dec 13, 2025 | verify |
Showing 25 most recent of 44. 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.