The FDA just changed the rules on peptides effective April 15, 2026. BPC 157, GHK Cu, MOTS C, and TB 500 have been removed from the Category 2 restricted compounding list. Here is what GHK Cu (Copper Peptide) Provider Supervised Therapy IV Glow Bar Peptide Research Overview Mechanisms, Applications & Insights GHK Cu Etobicoke Peptides (PC) GHK Cu is a naturally occurring copper binding peptide that plays a major role in tissue repair and remodeling, with a strong focus in research on skin and hair biology. It works by signaling