Peptide Sciences: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Peptide Sciences.
132
CoAs on file
99.63%
Avg reported purity
11
Compounds tested
Jul 20, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 41 | 99.64% | Jun 17, 2026 |
| Tirzepatide | 17 | 99.58% | Jul 1, 2026 |
| Semaglutide | 15 | 99.77% | Mar 1, 2026 |
| BPC-157 | 13 | 99.66% | Feb 4, 2026 |
| Melanotan II | 10 | 99.34% | Feb 19, 2025 |
| Ipamorelin | 9 | 99.82% | May 20, 2025 |
| CJC-1295 DAC | 8 | 99.4% | May 20, 2025 |
| GHK-Cu | 6 | 99.85% | Feb 26, 2026 |
| PT-141 | 6 | 99.82% | Aug 12, 2025 |
| Tesamorelin | 4 | 98.95% | Jul 20, 2026 |
| CJC-1295 No DAC | 3 | 99.25% | May 6, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Tesamorelin | PS6HRP22 | n/a | Lab E | Jul 20, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jul 1, 2026 | verify |
| Retatrutide | VI9920250808-12 | 99.8% | Lab G | Jun 17, 2026 | verify |
| CJC-1295 No DAC | PS6HRI22 | n/a | Lab E | May 6, 2026 | verify |
| Retatrutide | PS6HRP22 | n/a | Lab E | Apr 28, 2026 | verify |
| Retatrutide | n/a | n/a | Lab E | Apr 28, 2026 | verify |
| Tesamorelin | n/a | n/a | Lab E | Apr 28, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | Apr 2, 2026 | verify |
| Tirzepatide | n/a | 99.4% | Lab E | Mar 3, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 2, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Mar 1, 2026 | verify |
| Semaglutide | n/a | 99.5% | Lab G | Mar 1, 2026 | verify |
| GHK-Cu | VI620251021-50 | 99.7% | Lab E | Feb 26, 2026 | verify |
| Tesamorelin | n/a | 99% | Lab G | Feb 20, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Feb 20, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Feb 15, 2026 | verify |
| CJC-1295 No DAC | n/a | 99.8% | Lab G | Feb 15, 2026 | verify |
| Retatrutide | V19920250814-6 | 99.9% | Lab E | Feb 13, 2026 | verify |
| Retatrutide | 309018 11/22/2025 | 99.9% | Lab E | Feb 11, 2026 | verify |
| GHK-Cu | n/a | 99.8% | Lab G | Feb 10, 2026 | verify |
| BPC-157 | BP202512 | 99.7% | Lab G | Feb 4, 2026 | verify |
| BPC-157 | n/a | 99.26% | Lab E | Nov 4, 2025 | verify |
| Tesamorelin | VI182025-718-2 | 98.9% | Lab E | Oct 9, 2025 | verify |
| BPC-157 | VI220250522-10 | 99.95% | Lab E | Oct 3, 2025 | verify |
| PT-141 | VI1420241021-10 | 100% | Lab G | Aug 12, 2025 | verify |
Showing 25 most recent of 132. 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.