VertexBio: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by VertexBio.
11
CoAs on file
97.4%
Avg reported purity
1
Compounds tested
Sep 23, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 11 | 97.4% | Sep 23, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | 99.9% | Lab E | Sep 23, 2026 | verify |
| Retatrutide | V26052803-02 | 91.58% | Lab K | Sep 16, 2026 | verify |
| Retatrutide | VR26050801-01 | 99.9% | Lab E | Aug 26, 2026 | verify |
| Retatrutide | Ret-26031501 | n/a | Lab G | Aug 18, 2026 | verify |
| Retatrutide | RET-26031501 | n/a | Lab E | Aug 12, 2026 | verify |
| Retatrutide | n/a | 98.2% | Lab E | Aug 4, 2026 | verify |
| Retatrutide | RET-26031501 | n/a | Lab E | Aug 3, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | Jul 9, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | Jul 9, 2026 | verify |
| Retatrutide | n/a | n/a | Lab E | Jun 22, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | Jun 17, 2026 | verify |
Showing 11 most recent of 11. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/vertexbio/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/vertexbio.svg" alt="VertexBio: lab tested, 11 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.