BPC 157 Ligament: 1 Unsafe Truth Peptides Might Be Making a Comeback In 2023, the FDA restricted 19 peptides from compounding pharmacies. Now, regulators are reviewing a possible reversal, which could allow 14 of those peptides to 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 RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals