Top Peptide: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Top Peptide.
38
CoAs on file
99.71%
Avg reported purity
4
Compounds tested
Jun 21, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 18 | 99.6% | Jun 11, 2026 |
| Retatrutide | 11 | 99.8% | Jun 21, 2026 |
| GHK-Cu | 5 | 99.86% | Apr 22, 2026 |
| BPC-157 | 4 | 99.73% | May 12, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | 99.9% | Lab E | Jun 21, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jun 15, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Jun 11, 2026 | verify |
| Tirzepatide | n/a | 99.6% | Lab G | Jun 11, 2026 | verify |
| BPC-157 | n/a | 99.9% | Lab E | May 12, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Apr 27, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Apr 22, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Apr 22, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Mar 19, 2026 | verify |
| BPC-157 | n/a | 99.4% | Lab G | Mar 19, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 17, 2026 | verify |
| BPC-157 | n/a | 99.9% | Lab E | Mar 17, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Mar 3, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Feb 21, 2026 | verify |
| Tirzepatide | n/a | 99.77% | Lab E | Feb 19, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab E | Feb 19, 2026 | verify |
| Tirzepatide | n/a | 99.77% | Lab E | Feb 10, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Jan 21, 2026 | verify |
| BPC-157 | n/a | 99.7% | Lab G | Jan 21, 2026 | verify |
| Tirzepatide | n/a | 99.73% | Lab E | Jan 18, 2026 | verify |
| GHK-Cu | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
| Retatrutide | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
| GHK-Cu | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab G | Jan 6, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Jan 6, 2026 | verify |
Showing 25 most recent of 38. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/top-peptide/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/top-peptide.svg" alt="Top Peptide: lab tested, 38 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.