Peptide Therapy for Inflammation: A New Solution BPC 157 Cost: What You Need to Know 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 is one of the peptides that has been getting a lot of attention recently. It is a synthetic peptide derived from a protein found in human gastric juice. In experimental research, The Emerging Risk of Peptides in Supplements LegitScript