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 | n/a | 99.9% | Lab E | Jun 4, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Apr 22, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tesamorelin | n/a | 99.7% | Lab G | Feb 19, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Feb 10, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jan 28, 2026 | verify |
| Tesamorelin | n/a | 97.46% | Lab E | Jan 28, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jan 28, 2026 | verify |
| Tesamorelin | n/a | n/a | Lab E | Jan 28, 2026 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
| Tirzepatide | n/a | 99.7% | Lab G | Jan 14, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Jan 14, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Jan 14, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Dec 31, 2025 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Dec 31, 2025 | verify |
| Retatrutide | n/a | 99.89% | Lab E | Dec 16, 2025 | verify |
| Tesamorelin | n/a | 98.01% | Lab E | Dec 16, 2025 | verify |
| Tirzepatide | n/a | 99.7% | Lab G | Dec 12, 2025 | verify |
| Retatrutide | n/a | 99.5% | Lab G | Dec 12, 2025 | verify |
| Retatrutide | n/a | 99.95% | Lab E | Nov 24, 2025 | verify |
| Tesamorelin | n/a | 65.36% | Lab E | Nov 24, 2025 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Nov 16, 2025 | verify |
| Retatrutide | n/a | 99.6% | Lab G | Nov 13, 2025 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Nov 13, 2025 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Nov 3, 2025 | verify |
Showing 25 most recent of 39. Search the full database on the CoA page.
Embed this badge
Sell or represent ZhuoYan lab? Link your customers to this page with the badge below. Free, no signup. The badge and counts update as new lab results land.
<a href="https://ascendpeptide.org/coa/vendor/zhuoyan-lab/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/zhuoyan-lab.svg" alt="ZhuoYan lab: lab tested, 39 CoAs on file at ASCEND Peptide" width="230" height="54"> </a>
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.