GHK-Cu (50mg) *U.S. SOURCED*

GHK-Cu is a naturally occurring copper-binding tripeptide studied for skin and tissue biology. It is explored for roles in collagen synthesis, antioxidant activity, and signaling that may support repair. Researchers examine effects on fibroblasts, hair follicles, and extracellular matrix renewal. Its copper-carrier function is central to many of its studied pathways. For research use only. Not approved for human consumption.