Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Laicuinuo LCN.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 11 | 99.85% | May 4, 2026 |
| Retatrutide | 8 | 99.83% | Jun 1, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | -- | -- | Lab E | Jun 1, 2026 | verify |
| Retatrutide | -- | -- | Lab E | May 10, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | May 4, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 18, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 18, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 4, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 1, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 1, 2026 | verify |
| Retatrutide | -- | 99.7% | Lab G | Feb 19, 2026 | verify |
| Tirzepatide | -- | 99.7% | Lab G | Jan 6, 2026 | verify |
| Tirzepatide | -- | 99.95% | Lab E | Dec 5, 2025 | verify |
| Retatrutide | -- | 99.76% | Lab E | Nov 17, 2025 | verify |
| Tirzepatide | -- | 99.8% | Lab G | Oct 23, 2025 | verify |
| Tirzepatide | -- | 99.6% | Lab G | Oct 23, 2025 | verify |
| Tirzepatide | -- | 99.95% | Lab E | Oct 22, 2025 | verify |
| Retatrutide | -- | 99.74% | Lab E | Oct 16, 2025 | verify |
| Tirzepatide | -- | 99.82% | Lab E | Oct 2, 2025 | verify |
| Tirzepatide | -- | 99.93% | Lab E | Sep 29, 2025 | verify |
| Retatrutide | -- | 99.95% | Lab E | Sep 9, 2025 | verify |
Showing 19 most recent of 19. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/laicuinuo-lcn/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/laicuinuo-lcn.svg" alt="Laicuinuo LCN: lab tested, 19 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.