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: Miracle Healing Peptide or Hidden Danger? BPC 157, A Novel Peptide The Rothfeld Apothecary Here's a guide I created for those curious about the healing peptide BPC 157. Currently on my third cycle of this peptide (paired with TB 500 Thymosin Beta 4) and will share my experience with BPC 157 Peptide Foundry Premium Research Peptides BPC 157 has already hit the mainstream, but should it hit your bloodstream?