The Peptide Gamble: A Doctor's Warning on BPC 157 and TB 500 The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more than a dozen injectable peptides that were banned because of potentially significant safety risks, the New York FDA to weigh easing limits on unproven peptides favored by RFK Jr. and MAHA supporters PBS News BPC 157 FDA Approval Status 2026: RFK Jr, Advisory Committee & Reclassification