GHK Cu FDA Approval Status 2026: Not Approved January 2026 FDA New Drug Approvals Zycubo (copper histidinate) Some approvals mark progress. Others redefine what hope looks like. In January 2026, the U.S. FDA approved Zycubo (copper histidinate injection formerly BPC 157 FDA Approval Status 2026: RFK Jr, Advisory Committee & Reclassification 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 99%+ Pure Peptide Amino Club Amino Club