Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Mix Peptides.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 23 | 97.69% | May 4, 2026 |
| Retatrutide | 11 | 96.42% | Mar 16, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Tirzepatide | 97880 | 99.9% | Lab E | May 4, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| Retatrutide | -- | 99.7% | Lab G | Mar 16, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 98.15% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | -- | 97.46% | Lab E | Mar 3, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 1, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab G | Feb 19, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab G | Jan 25, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab E | Jan 25, 2026 | verify |
| Tirzepatide | -- | 99.95% | Lab E | Jan 18, 2026 | verify |
| Tirzepatide | -- | 99.95% | Lab E | Jan 18, 2026 | verify |
| Retatrutide | -- | 99.95% | Lab E | Jan 18, 2026 | verify |
| Retatrutide | -- | 99.7% | Lab G | Dec 28, 2025 | verify |
| Tirzepatide | -- | 99.8% | Lab G | Dec 12, 2025 | verify |
| Retatrutide | -- | 99.7% | Lab G | Dec 12, 2025 | verify |
| Tirzepatide | -- | 99.4% | Lab G | Dec 12, 2025 | verify |
| Tirzepatide | -- | 99.7% | Lab G | Dec 12, 2025 | verify |
| Tirzepatide | -- | 99.4% | Lab G | Dec 12, 2025 | verify |
| Tirzepatide | -- | 99.5% | Lab G | Dec 12, 2025 | verify |
| Tirzepatide | -- | 99.5% | Lab G | Dec 12, 2025 | verify |
| Tirzepatide | -- | 99.8% | Lab G | Dec 12, 2025 | verify |
| Tirzepatide | -- | 99.94% | Lab E | Nov 17, 2025 | verify |
| Retatrutide | -- | 98.88% | Lab E | Nov 17, 2025 | verify |
Showing 25 most recent of 34. 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.