Zhuoyue Biotechnology: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Zhuoyue Biotechnology.
28
CoAs on file
99.26%
Avg reported purity
3
Compounds tested
Jun 15, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 13 | 99.58% | Jun 15, 2026 |
| Retatrutide | 11 | 98.65% | Jun 15, 2026 |
| GHK-Cu | 4 | 99.82% | Feb 19, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | 99.6% | Lab G | Jun 15, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jun 15, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | May 27, 2026 | verify |
| Retatrutide | n/a | 99.6% | Lab G | May 24, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | May 7, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | May 1, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Apr 29, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Mar 24, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab G | Mar 24, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Mar 6, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | n/a | 98.18% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | n/a | 99.07% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | n/a | 98.97% | Lab E | Mar 3, 2026 | verify |
| GHK-Cu | n/a | 99.71% | Lab E | Feb 19, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Feb 19, 2026 | verify |
| GHK-Cu | n/a | 99.73% | Lab E | Feb 19, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Feb 12, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Feb 10, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Feb 10, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jan 28, 2026 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
| Retatrutide | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
| GHK-Cu | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
Showing 25 most recent of 28. 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.