Should YOU Be Taking BPC 157 Peptides? Dr Brad Stanfield Pentadeca Arginate vs BPC 157: Benefits and Differences 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 Pentadeca Arginate vs BPC 157: Benefits and Differences Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype