FDA takes first step in possible reversal of ban on some peptides The Washington Post RFK Jr., MAHA push for fewer peptide restrictions RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals Which non FDA (United States Food and Drug Administration) approved peptides, such as BPC 157 (Body Protection Compound 157) and TB 500 (Thymosin Beta 500), are likely legitimate for medical use under strict supervision? BPC 157 Banned: Key Facts on the Latest FDA Decision RFK Jr.'s peptide push could unleash risky drugs STAT First Opinion