In 2023, the FDA deemed 19 peptides too unsafe to be dispensed by compounding pharmacies. Now, under RFK Jr., the agency is poised to reverse itself despite the fact that few What are peptides? The treatments promising weight loss and better skin, explained Vox BPC 157: Miracle Healing Peptide or Hidden Danger? Regulatory Alert: FDA's April 2026 Update on BPC 157 and GHK Cu Holt Law FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures The Washington Post