Is BPC 157 Banned? Oral vs. Injectable Forms Explained BPC 157 and the Difference Between an Evidence Gap and a Cover Up: What the entire human evidence base actually looks like, and the questions to ask next. WellFounded Founders Health & 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? FDA to weigh easing limits on unproven peptides