ZhuoYan lab -- Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by ZhuoYan lab.
39
CoAs on file
98.65%
Avg reported purity
3
Compounds tested
Jun 4, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 20 | 99.7% | Apr 22, 2026 |
| Retatrutide | 13 | 99.71% | Jun 4, 2026 |
| Tesamorelin | 6 | 91.71% | Feb 19, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | -- | 99.9% | Lab E | Jun 4, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tesamorelin | -- | 99.7% | Lab G | Feb 19, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Feb 10, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Jan 28, 2026 | verify |
| Tesamorelin | -- | 97.46% | Lab E | Jan 28, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Jan 28, 2026 | verify |
| Tesamorelin | -- | -- | Lab E | Jan 28, 2026 | verify |
| Tirzepatide | -- | 99.95% | Lab E | Jan 18, 2026 | verify |
| Tirzepatide | -- | 99.7% | Lab G | Jan 14, 2026 | verify |
| Tirzepatide | -- | 99.8% | Lab G | Jan 14, 2026 | verify |
| Retatrutide | -- | 99.7% | Lab G | Jan 14, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab G | Dec 31, 2025 | verify |
| Tirzepatide | -- | 99.8% | Lab G | Dec 31, 2025 | verify |
| Retatrutide | -- | 99.89% | Lab E | Dec 16, 2025 | verify |
| Tesamorelin | -- | 98.01% | Lab E | Dec 16, 2025 | verify |
| Tirzepatide | -- | 99.7% | Lab G | Dec 12, 2025 | verify |
| Retatrutide | -- | 99.5% | Lab G | Dec 12, 2025 | verify |
| Retatrutide | -- | 99.95% | Lab E | Nov 24, 2025 | verify |
| Tesamorelin | -- | 65.36% | Lab E | Nov 24, 2025 | verify |
| Tirzepatide | -- | 99.95% | Lab E | Nov 16, 2025 | verify |
| Retatrutide | -- | 99.6% | Lab G | Nov 13, 2025 | verify |
| Retatrutide | -- | 99.7% | Lab G | Nov 13, 2025 | verify |
| Tirzepatide | -- | 99.95% | Lab E | Nov 3, 2025 | verify |
Showing 25 most recent of 39. 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.