BPC 157 5mg: Understanding the Research Interest Behind the Peptide BPC 157 has already hit the mainstream, but should it hit your bloodstream? 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 Peptide Injections vs. Platelet Rich Plasma (PRP) Therapy for Musculoskeletal Injuries: A Review of the Evidence