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 to weigh easing limits on peptides promoted by RFK Jr. NBC 6 South Florida 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? Is BPC 157 Banned? Oral vs. Injectable Forms Explained