ghk cu bivirkninger GHK-Cu Buy GHK-Cu Copper Peptide (50mg)
Description
doi:10.3390/biomedicines9060594

That said, peptide therapy is not for everyone

General rule: 28-30 days for most reconstituted peptides When peptides are reconstituted with bacteriostatic water and properly refrigerated, the standard shelf life is approximately one month

The company makes its Certificate of Analysis available on the product page