TB 500 vs BPC 157: Comprehensive comparison of healing peptides 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 BPC 157 TB 500 Blend 10MG Research Peptide Combination Simultaneous quantification of TB 500 and its metabolites in in vitro experiments and rats by UHPLC Q Exactive orbitrap MS MS and their screening by wound healing activities in vitro ScienceDirect