What are BPC 157 (Body Protection Compound 157) and TB 500 (Thymosin Beta 4) peptides? We have received an uptick in questions related to this substance. We felt it was best to share our policy here to bring attention to it. . OCB adheres to WADA guidelines Should peptides be allowed in natural bodybuilding? If it's natural, what does that actually mean? Many peptides aren't detectable in standard urine tests Some support recovery, healing, and overall health Yet What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B