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 Peptides for pain? Yes but NOT the way you think. This month we're officially rolling out BPC 157 + NAD+ Push Patches and they're already making a difference for knee BPC 157: What It Is, What We Know, and Why Its Use for Arthritis Remains Unproven San Diego Orthobiologics Medical Group Has anyone used BPC 157 for shoulder pain relief? BPC 157 Benefits, Dosage & Before After Results