50-Year-Old GHK-Cu Peptide Now Injected With 0 Human Safety Trials
Injections of GHK-Cu, a copper peptide long sold as a topical cream, are spreading through grey-market sellers without any published human safety or efficacy data. Researchers say the systemic route changes the risk profile and clinicians should ask patients about peptide use.
Source: wsiu.org · delawarepublic.org