GHK Cu Peptide Therapy in York & Hanover PA Body by Barker GHK Cu Supra Chems What are the recommendations for using GHK Cu (Copper Glycine Histidine Lysine) in a healthy adult for anti aging and wellness? GHK Cu 100mg "RX required" Let's G Gluta Philippines GHK Cu is not Botox. It does not freeze a single muscle. It works because it works at the matrix level. GHK Cu stimulates collagen and glycosaminoglycan synthesis, modulates the matrix metalloproteinases that govern