Third-party lab testing: 17 independent Janoshik assays on file, covering 13 substances, median measured purity 99.6%, most recent test 2026-03-23.
| Substance | Measured purity | Test date |
|---|---|---|
| Retatrutide | 99.40% | 2026-03-23 |
| Mots-c | 99.76% | 2026-01-16 |
| Mots-c | 99.85% | 2026-01-16 |
| Retatrutide | 99.61% | 2026-01-15 |
| Human Growth Hormone | 97.44% | 2026-01-08 |
| Human Growth Hormone | 97.47% | 2025-12-12 |
| Selank | 99.88% | 2025-11-27 |
| Sermorelin | 99.74% | 2025-09-25 |
| Tirzepatide | 99.33% | 2025-01-22 |
| Epitalon | 99.89% | 2025-01-22 |
| Sermorelin | 99.12% | 2025-01-15 |
| Melanotan-2 | 99.79% | 2024-12-30 |
| 3-vial Pull | 97.81% | 2023-02-17 |
| Lcarnitine | not reported | 2026-01-19 |
| Human Menopausal Gonadotropin (hmg) | not reported | 2026-01-04 |
| GLOW Blend | not reported | 2025-01-15 |
| Cjc-1295 No DAC + Ipamorelin | not reported | 2025-01-15 |
13 of these 17 assays report a measured purity figure. The other 4 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.