BPC 157: Experimental Peptide Creates Risk for Athletes BPC 157 has already hit the mainstream, but should it hit your bloodstream? What Science ACTUALLY Says About BPC 157 Benefits 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?