The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University 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 vs. Pentadeca Arginate (PDA): Unlocking the Healing Power 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 Ive 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 its What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B