GHK CU 50 mg Superior Chains Research Labs GLOW Peptide: BPC 157 + TB 500 + GHK Cu Research Blend Introduction GHK Cu is a copper peptide complex formed from the tripeptide glycyl L histidyl L lysine bound to copper. This compound has garnered significant attention in both laboratory and formulation research due to its critical role GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes GHK Cu Peptide Therapy for Radiant Skin by Desert Mobile