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 Pentadeca Arginate Peptide Elase Med Spa Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157 has already hit the mainstream, but should it hit your bloodstream? BPC 157 5mg: Understanding the Research Interest Behind the Peptide