GHK-Cu, the copper tripeptide isolated from human plasma in 1973, is the reference peptide for studying collagen synthesis, the extracellular matrix and copper transport. 100 mg in a 3 ml vial, purity ≥99%.
Technical comparison between GHK-Cu (glycyl-histidyl-lysine) and AHK-Cu (alanyl-histidyl-lysine) — structure, copper binding, published data, research applications, reconstitution, and stability.