BPC 157: Experimental Peptide Creates Risk for Athletes BPC 157 Banned: Key Facts on the Latest FDA Decision 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? The trend of unproven peptides is spreading through influencers and RFK Jr. allies CNN FDA Sends Warning Letters to More Than 50 GLP 1 Compounders and Manufacturers Wilson Sonsini