Expression and Purification of Recombinant GHK Tripeptides Are Able to Protect against Acute Cardiotoxicity from Exposure to Waterborne Copper in Zebrafish Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. GHK Cu (Copper Peptide) isn't just another trend. It's a naturally occurring peptide in our bodies that plays a vital role in healing, collagen production, skin regeneration, and even hair support. Here's all