EZ Peptides: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by EZ Peptides.
11
CoAs on file
99.11%
Avg reported purity
2
Compounds tested
Sep 7, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 8 | 98.94% | Sep 7, 2026 |
| Tirzepatide | 3 | 99.57% | May 19, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | Ezp-3p1204012026-02 | 99.8% | Lab G | Sep 7, 2026 | verify |
| Retatrutide | ezp3p0601262026-01 | 99.4% | Lab E | Jun 22, 2026 | verify |
| Tirzepatide | EZP-2P6001152026-01 | 99.9% | Lab E | May 19, 2026 | verify |
| Retatrutide | EZP-RET2412162025-12 | 99.9% | Lab E | Mar 6, 2026 | verify |
| Retatrutide | EZP-RET061209225-12 | 93.2% | Lab E | Mar 6, 2026 | verify |
| Retatrutide | EXP-3RT1212162025-21 | 99.4% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | EZP-TIR1520062025-18 | 99.9% | Lab E | Feb 11, 2026 | verify |
| Tirzepatide | EZP-TIR1008202025-01 | 98.9% | Lab G | Jan 7, 2026 | verify |
| Retatrutide | EZP-RET1210142025-19 | 99.93% | Lab E | Dec 29, 2025 | verify |
| Retatrutide | EZP-RET240820202-01 | 99.9% | Lab G | Nov 14, 2025 | verify |
| Retatrutide | n/a | 99.95% | Lab E | Aug 4, 2025 | verify |
Showing 11 most recent of 11. Search the full database on the CoA page.
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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.