FDA May Reverse Ban on 14 PeptidesWhat It Means for Your Beauty Routine Allure RFK Jr. & claimed regenerative peptides like BPC 157 The Niche 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 Mark your calendar. July 23 24. FDA advisory committee reviewing BPC 157, TB 500, MOTS C, semax, epitalon, KPV, and DSIP for the 503A compounding list. The peptide landscape could shift significantly.