BPC 157 5mg: Understanding the Research Interest Behind the Peptide Pentadeca Arginate vs BPC 157: Benefits and Differences 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 PDA IS REPLACING MY FAVORITE PEPTIDE BPC 157. , Well the FDA screwed up several peptides for a lot of us BUT We have just gotten our hands on an almost identical peptide called PDA or Pentadeca BPC 157 has already hit the mainstream, but should it hit your bloodstream? Peptide Therapy Orange County Blueline Wellness Blueline Wellness