The mean aqueous level was in the range of 100 ng/ml in cohort 1 and 300 ng/ml in cohorts 2 and 3
Alcohol is not strictly contraindicated with either compound, but it undermines the protocol in multiple ways
[DOI] [PubMed] [Google Scholar] 81.Bab I, Gazit D, Chorev M, Muhlrad A, Shteyer A, Greenberg Z, et al
This is important because the cosmetic companies are citing studies that were using GHK-Cu in isolation and not in combination so the efficacy of the peptide is not known
The antioxidant enzyme catalyzes the reduction of hydrogen peroxide and hydroperoxides formed from fatty acids, thereby effectively removing toxic peroxides from living cells
February 27, 2026: During his appearance on the Joe Rogan Experience (Episode 2461), HHS Secretary Kennedy announced that approximately 14 of the 19 restricted peptides would be moved back to Category 1, restoring a legal pathway for licensed compounding pharmacies