Copper Peptide (GHK)2·Cu

Copper peptide GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine. The tripeptide has strong affinity for copper(II) and was first isolated from human plasma. It can be found also in saliva and urine. https://www.creative-peptides.com/product/copper-peptide-ghk-cu-item-cpc1658-33840.html