Lets talk GHK Cu , GHK Cu is a naturally occurring copper peptide that supports:, Collagen production, Tissue repair, Skin rejuvenation, Reducing Inflammation , Healthy aging, As levels GHK Copper Peptide GHK Cu Tripeptide 1 Shop 99% Pure GHK Cu Copper Peptides AminoVault PDF) Thermodynamic study of Cu 2+ binding to the DAHK and GHK peptides by isothermal titration calorimetry (ITC) with the weaker competitor glycine