Rayshine Peptide Biochemicals: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Rayshine Peptide Biochemicals.
18
CoAs on file
99.39%
Avg reported purity
3
Compounds tested
Sep 19, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 11 | 99.04% | Sep 17, 2026 |
| Tirzepatide | 4 | 99.94% | Jan 26, 2026 |
| GHK-Cu | 3 | 99.83% | Sep 19, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| GHK-Cu | n/a | 99.7% | Lab G | Sep 19, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Sep 17, 2026 | verify |
| Retatrutide | n/a | 98.1% | Lab E | Sep 15, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Sep 15, 2026 | verify |
| Retatrutide | n/a | n/a | Lab G | Sep 7, 2026 | verify |
| Retatrutide | n/a | 94% | Lab E | Aug 4, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Jun 26, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 18, 2026 | verify |
| Tirzepatide | July,15,2025 | 99.9% | Lab G | Jan 26, 2026 | verify |
| Retatrutide | n/a | 99.95% | Lab E | Jan 19, 2026 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Oct 23, 2025 | verify |
| Retatrutide | n/a | 99.7% | Lab E | Oct 5, 2025 | verify |
| Retatrutide | n/a | 99.92% | Lab E | Oct 5, 2025 | verify |
| Retatrutide | n/a | 99.72% | Lab E | Oct 5, 2025 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Oct 3, 2025 | verify |
| Tirzepatide | n/a | 99.95% | Lab E | Oct 3, 2025 | verify |
| Retatrutide | n/a | 99.76% | Lab E | Oct 3, 2025 | verify |
| Retatrutide | n/a | 99.413% | Lab A | Aug 12, 2025 | verify |
Showing 18 most recent of 18. 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.