Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by ZZQ Peptides.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 18 | 99.11% | May 23, 2026 |
| Retatrutide | 16 | 99.76% | Jun 23, 2026 |
| GHK-Cu | 6 | 99.89% | Mar 17, 2026 |
| Tesamorelin | 5 | 98.66% | Feb 19, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | 4/07/2026 | 99.9% | Finnrick Lab E | Jun 23, 2026 | verify |
| Tirzepatide | 20260507 | -- | Lab G | May 23, 2026 | verify |
| Tirzepatide | -- | 99.8% | Lab G | May 17, 2026 | verify |
| Tirzepatide | 20260507 | 99.6% | Lab G | May 17, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | May 7, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | May 5, 2026 | verify |
| Tirzepatide | -- | 99.5% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 98.7% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 27, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab G | Mar 24, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Mar 17, 2026 | verify |
| GHK-Cu | 2025-01-11 | 99.9% | Lab E | Mar 9, 2026 | verify |
| Tirzepatide | -- | 99.1% | Lab E | Mar 9, 2026 | verify |
| Tirzepatide | -- | 98.25% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | -- | 98.98% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | -- | 99.18% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | -- | 98.75% | Lab E | Mar 3, 2026 | verify |
| GHK-Cu | -- | 99.71% | Lab E | Feb 19, 2026 | verify |
| Tesamorelin | -- | 99.22% | Lab E | Feb 19, 2026 | verify |
| Tesamorelin | -- | 95.68% | Lab E | Feb 19, 2026 | verify |
| Tirzepatide | -- | 99.32% | Lab E | Feb 17, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Feb 17, 2026 | verify |
| Tirzepatide | -- | 93.57% | Lab E | Feb 17, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Feb 17, 2026 | verify |
Showing 25 most recent of 45. 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.