The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Innovation meets biology GHK Cu is a naturally occurring copper peptide studied for its role in skin health, collagen support, and tissue repairmaking it a powerful tool in next generation peptide science. Precision. GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Hyaluronic Acid Gel Wells Pharmacy Network Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Wellness peptide craze: why people are injecting drugs 'not for human consumption'