GHK Cu (10 mg, 50 mg, 100 mg) COA verified peptide Nootropix GHK Cu Peptide: What It Does for Body Composition and Metabolic Health What is the proper use of peptide GHK Cu (Glycyl Histidyl Lysine Copper) for wound healing or skin regeneration? Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that