PeptiSlim: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by PeptiSlim.
74
CoAs on file
99.7%
Avg reported purity
6
Compounds tested
Sep 5, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 32 | 99.82% | Sep 5, 2026 |
| Retatrutide | 26 | 99.75% | Jun 17, 2026 |
| GHK-Cu | 6 | 99.72% | Apr 23, 2026 |
| Semaglutide | 4 | 99.4% | Mar 25, 2026 |
| Tesamorelin | 4 | 98.88% | Jul 14, 2026 |
| Cagrilintide | 2 | 99.31% | Mar 7, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Tirzepatide | n/a | 99.9% | Lab G | Sep 5, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Aug 28, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Aug 28, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jul 21, 2026 | verify |
| Tirzepatide | 04/2026 | 99.9% | Lab E | Jul 21, 2026 | verify |
| Tesamorelin | 04/2026 | 98.2% | Lab E | Jul 14, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Jun 26, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jun 26, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jun 26, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jun 26, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jun 26, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab E | Jun 23, 2026 | verify |
| Tirzepatide | January 6th, 2026 | 99.9% | Lab E | Jun 22, 2026 | verify |
| Tirzepatide | n/a | 99.7% | Lab G | Jun 17, 2026 | verify |
| Retatrutide | 258013 | 99.8% | Lab G | Jun 17, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Jun 17, 2026 | verify |
| Tirzepatide | 258008 | 99.8% | Lab G | Jun 17, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jun 12, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jun 12, 2026 | verify |
| GHK-Cu | n/a | 99.8% | Lab G | Apr 23, 2026 | verify |
| Tirzepatide | n/a | 99.7% | Lab G | Mar 25, 2026 | verify |
| Semaglutide | n/a | 99.9% | Lab G | Mar 25, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Mar 16, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Mar 10, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab G | Mar 7, 2026 | verify |
Showing 25 most recent of 74. 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.