Cocer Peptides: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Cocer Peptides.
12
CoAs on file
99.54%
Avg reported purity
4
Compounds tested
Jun 16, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 5 | 99.77% | Jun 16, 2026 |
| Tesamorelin | 4 | 99.84% | Jun 8, 2026 |
| TB-500 Thymosin Beta-4 | 2 | 98.41% | Mar 12, 2026 |
| TB-500 Fragment 17-23 | 1 | 99.7% | Feb 4, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | 20260421LU | n/a | Lab G | Jun 16, 2026 | verify |
| Tesamorelin | Cs-te20-0305 | 99.8% | Lab G | Jun 8, 2026 | verify |
| Tesamorelin | CS-te101021 | 99.9% | Lab E | Mar 12, 2026 | verify |
| Retatrutide | CS-re101026 | 99.9% | Lab E | Mar 12, 2026 | verify |
| TB-500 Thymosin Beta-4 | CS-t5101018 | 97.8% | Lab E | Mar 12, 2026 | verify |
| TB-500 Thymosin Beta-4 | CS-t5101018 | 99.02% | Lab E | Feb 18, 2026 | verify |
| TB-500 Fragment 17-23 | n/a | 99.7% | Lab G | Feb 4, 2026 | verify |
| Tesamorelin | n/a | 99.7% | Lab G | Feb 4, 2026 | verify |
| Retatrutide | Cs-re301107 | 99.8% | Lab G | Feb 4, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Jan 15, 2026 | verify |
| Tesamorelin | CS-te101021 | 99.95% | Lab E | Dec 11, 2025 | verify |
| Retatrutide | n/a | 99.59% | Lab E | Oct 21, 2025 | verify |
Showing 12 most recent of 12. Search the full database on the CoA page.
Embed this badge
Sell or represent Cocer Peptides? 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/cocer-peptides/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/cocer-peptides.svg" alt="Cocer Peptides: lab tested, 12 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.