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 Peptides are surging in popularity. There's little evidence that they work. Regulatory Alert: FDA's April 2026 Update on BPC 157 and GHK Cu Holt Law RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals