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 19, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 41 | 99.64% | Jun 16, 2026 |
| Tirzepatide | 17 | 99.58% | Jun 30, 2026 |
| Semaglutide | 15 | 99.77% | Feb 28, 2026 |
| BPC-157 | 13 | 99.66% | Feb 3, 2026 |
| Melanotan II | 10 | 99.34% | Feb 18, 2025 |
| Ipamorelin | 9 | 99.82% | May 19, 2025 |
| CJC-1295 DAC | 8 | 99.4% | May 19, 2025 |
| GHK-Cu | 6 | 99.85% | Feb 25, 2026 |
| PT-141 | 6 | 99.82% | Aug 11, 2025 |
| Tesamorelin | 4 | 98.95% | Jul 19, 2026 |
| CJC-1295 No DAC | 3 | 99.25% | May 5, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Tesamorelin | PS6HRP22 | n/a | Lab E | Jul 19, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jun 30, 2026 | verify |
| Retatrutide | VI9920250808-12 | 99.8% | Lab G | Jun 16, 2026 | verify |
| CJC-1295 No DAC | PS6HRI22 | n/a | Lab E | May 5, 2026 | verify |
| Retatrutide | PS6HRP22 | n/a | Lab E | Apr 27, 2026 | verify |
| Retatrutide | n/a | n/a | Lab E | Apr 27, 2026 | verify |
| Tesamorelin | n/a | n/a | Lab E | Apr 27, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | Apr 1, 2026 | verify |
| Tirzepatide | n/a | 99.4% | Lab E | Mar 2, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 1, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Feb 28, 2026 | verify |
| Semaglutide | n/a | 99.5% | Lab G | Feb 28, 2026 | verify |
| GHK-Cu | VI620251021-50 | 99.7% | Lab E | Feb 25, 2026 | verify |
| Tesamorelin | n/a | 99% | Lab G | Feb 19, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Feb 19, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Feb 14, 2026 | verify |
| CJC-1295 No DAC | n/a | 99.8% | Lab G | Feb 14, 2026 | verify |
| Retatrutide | V19920250814-6 | 99.9% | Lab E | Feb 12, 2026 | verify |
| Retatrutide | 309018 11/22/2025 | 99.9% | Lab E | Feb 10, 2026 | verify |
| GHK-Cu | n/a | 99.8% | Lab G | Feb 9, 2026 | verify |
| BPC-157 | BP202512 | 99.7% | Lab G | Feb 3, 2026 | verify |
| BPC-157 | n/a | 99.26% | Lab E | Nov 3, 2025 | verify |
| Tesamorelin | VI182025-718-2 | 98.9% | Lab E | Oct 8, 2025 | verify |
| BPC-157 | VI220250522-10 | 99.95% | Lab E | Oct 2, 2025 | verify |
| PT-141 | VI1420241021-10 | 100% | Lab G | Aug 11, 2025 | verify |
Showing 25 most recent of 132. Search the full database on the CoA page.
Embed this badge
Sell or represent Peptide Sciences? 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/peptide-sciences/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/peptide-sciences.svg" alt="Peptide Sciences: lab tested, 132 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.