GHK Cu: The Elegant Copper Peptide for Skin and Scalp Renewal Renew Vitality This is one of the biggest peptide regulatory shifts in years. And it's just getting started. The FDA has taken its first step toward reversing its 2023 stance, removing 12 peptides from 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 Injection AgelessRx Is GHK Cu Legal? FDA Approved Peptides Neurogan Health Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health