RFK Jr.'s peptide push could unleash risky drugs STAT First Opinion RFK Jr., MAHA push for fewer peptide restrictions 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 FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea