copper peptides ghk cu hair growth evidence Melatonin Serum | GHK-cu Stem Cells| Scalp Hair Growth Serum Copper Peptides (GHK-Cu) & Beard
Description
Chernyavskiy, A
Pickart estimated lethal dose at approximately 22,500 mg for humans (300-fold above effective doses), with animal LD50 studies in mice showing 8 mg per 25g mouse (320 mg/kg, translating to ~22,400 mg for 154 lb human)
Peptide impurities and the characterization of active ingredients also pose challenges
10.1093/cercor/bht202 80 LotanI.TrevesT
GHK-Cu is not approved by the FDA or any regulatory agency for therapeutic or cosmetic use
The two papers that originally established this mechanism have been retracted
