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 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 BPC 157 vs. TB 500: Which One Actually Works? Dr. McKenna's Orthopedics and Biologics Texas Intra Articular Injection Of Peptides For Joint Pain BPC 157 And TB 500 for Arthritis