FDA approval awaited this month . : r biotech_stocks 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 Peptide Therapy Brea, CA Orange County RFK Jr. forces FDA to reconsider 12 unproven peptides after 2023 ban Ars Technica 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 Peptide Research Overview Mechanisms, Applications & Insights