Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by ZePeptide.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 40 | 99.19% | Sep 6, 2026 |
| GHK-Cu | 9 | 99.79% | Aug 2, 2026 |
| BPC-157 | 8 | 99.66% | Aug 2, 2026 |
| Tesamorelin | 7 | 99.4% | Aug 24, 2026 |
| Tirzepatide | 6 | 99.76% | Jul 19, 2026 |
| TB-500 | 4 | 99.9% | Aug 12, 2026 |
| MOTS-c | 2 | 99.7% | Sep 3, 2026 |
| TB-500 Thymosin Beta-4 | 1 | 99.9% | Apr 27, 2026 |
| TB-500 Fragment 17-23 | 1 | 99.9% | Feb 3, 2026 |
| NAD+ | 1 | n/a | Aug 25, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | 99.8% | Lab G | Sep 6, 2026 | verify |
| MOTS-c | n/a | n/a | Lab E | Sep 3, 2026 | verify |
| Retatrutide | 2026,6,19 | n/a | Lab G | Aug 30, 2026 | verify |
| MOTS-c | n/a | 99.7% | Lab E | Aug 25, 2026 | verify |
| NAD+ | n/a | n/a | Lab E | Aug 25, 2026 | verify |
| Tesamorelin | n/a | 99.7% | Lab G | Aug 24, 2026 | verify |
| TB-500 | n/a | n/a | Lab E | Aug 12, 2026 | verify |
| Retatrutide | RT30/260409 | 99.9% | Lab E | Aug 4, 2026 | verify |
| TB-500 | BT10-02022026 | n/a | Lab E | Aug 2, 2026 | verify |
| BPC-157 | BC10-05122026 | n/a | Lab E | Aug 2, 2026 | verify |
| GHK-Cu | GU100-03242026 | 99.9% | Lab E | Aug 2, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Jul 19, 2026 | verify |
| Retatrutide | RT-04172026 | 85.1% | Lab G | Jul 19, 2026 | verify |
| Tirzepatide | n/a | n/a | Lab G | Jul 19, 2026 | verify |
| Retatrutide | RT10/260512 | 99.9% | Lab E | Jul 19, 2026 | verify |
| Retatrutide | O3,03,2026 | 99.9% | Lab G | Jul 19, 2026 | verify |
| Retatrutide | n/a | n/a | Lab E | Jul 19, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | Jul 19, 2026 | verify |
| Retatrutide | RT20/260318 | 99.8% | Lab E | Jul 12, 2026 | verify |
| GHK-Cu | CU50/260329 | 99.9% | Lab E | Jul 12, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jul 12, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jul 12, 2026 | verify |
| BPC-157 | BC10/260321 | 99.9% | Lab E | Jul 12, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab E | Jul 12, 2026 | verify |
| GHK-Cu | 042026 | 99.7% | Lab G | Jul 9, 2026 | verify |
Showing 25 most recent of 79. Search the full database on the CoA page.
Sell or represent ZePeptide? 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/zepeptide/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/zepeptide.svg" alt="ZePeptide: lab tested, 79 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.