Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Norco.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 9 | 99.89% | Sep 6, 2026 |
| Tirzepatide | 2 | 87.2% | Sep 6, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | n/a | Lab G | Sep 6, 2026 | verify |
| Retatrutide | Z51-Z12 | 99.8% | Lab G | Sep 6, 2026 | verify |
| Tirzepatide | 260121 | 99.9% | Lab G | Sep 6, 2026 | verify |
| Retatrutide | 260121-BZT-RT10-01-P | n/a | Lab G | Sep 6, 2026 | verify |
| Tirzepatide | Lot S51 G03 | 74.5% | Lab K | Aug 26, 2026 | verify |
| Retatrutide | S52 G03 | 99.9% | Lab E | Aug 25, 2026 | verify |
| Retatrutide | 20260521-RT | 99.9% | Lab E | Aug 12, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Aug 3, 2026 | verify |
| Retatrutide | HXY260524-35 | 99.9% | Lab E | Aug 3, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jul 19, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jun 30, 2026 | 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.