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 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? What is the best column to use for HPLC analysis of peptides like BPC 157, TB 500, and KPV? Forum Basic Research Agilent Community The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tendon outgrowth, cell survival, and cell migration Journal of Applied Physiology American Physiological Society