Zhejiang Yichenkang Biotechnology
Independent test grades (8)
Per Finnrick (independent testing). Attributed — Finnrick's grades, not ours.
| Peptide | Grade | Score |
|---|---|---|
| Retatrutide | D | 7.1 |
| CJC-1295 | B | 7.0 |
| Tirzepatide | C Okay | 6.4 |
| Semaglutide | C Okay | 6.2 |
| Ipamorelin | C | 5.9 |
| GHK-Cu | C Okay | 5.5 |
| Melanotan II | E | 5.3 |
| BPC-157 | E | 4.8 |