What gauge of needle is used for intra articular injection of BPC 157 (Body Protection Compound 157) into the shoulder joint? What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B I've been using Pentadecapeptide (PDA) and the results have been unreal. this peptide is almost identical to BPC 157 with the exception of an additional marginate salt, which has contributed to The Wolverine Drug Ortho Rhode Island BPC 157 & TB 500 Wolverine Stack in Southlake, TX