ENHANCED EXTENDS PEPTIDE PLATFORM WITH TOPICAL GHK CU, FORMULATED UNDER MEDICAL COMMISSION OVERSIGHT Enhanced Research chemicals known as peptides, many of them banned by the World Anti Doping Agency and some not approved for human use in the United States, are available with the simple click of Copper, Collagen, and Controversy: Inside the GHK Cu Buzz GHK CU (InfiniWell) GHK Cu: The Copper Peptide And The Claims Around It GHK Cu is a naturally occurring copper binding tripeptide found in human plasma. Mechanistically, it's linked to tissue repair signaling, immune modulation, glycosaminoglycan and collagen