Rayshine Peptide Biochemicals: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Rayshine Peptide Biochemicals.
11
CoAs on file
99.83%
Avg reported purity
2
Compounds tested
Mar 17, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 7 | 99.77% | Mar 17, 2026 |
| Tirzepatide | 4 | 99.94% | Jan 25, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | 99.9% | Lab E | Mar 17, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Jan 25, 2026 | verify |
| Retatrutide | n/a | 99.95% | Lab E | Jan 18, 2026 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Oct 22, 2025 | verify |
| Retatrutide | n/a | 99.7% | Lab E | Oct 4, 2025 | verify |
| Retatrutide | n/a | 99.92% | Lab E | Oct 4, 2025 | verify |
| Retatrutide | n/a | 99.72% | Lab E | Oct 4, 2025 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Oct 2, 2025 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Oct 2, 2025 | verify |
| Retatrutide | n/a | 99.76% | Lab E | Oct 2, 2025 | verify |
| Retatrutide | n/a | 99.41% | Lab A | Aug 11, 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.