Third-party lab testing: 2 independent Janoshik assays on file, median measured purity 97.5%, most recent test 2025-11-25.
| Substance | Measured purity | Test date |
|---|---|---|
| HGH 191AA (somatropin) | 97.46% | 2025-11-25 |
| HGH 191AA (somatropin) | not reported | 2025-11-25 |
1 of these 2 assays report a measured purity figure. The other 1 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.