BPC 157 Peptide Erectile Dysfunction: What the Evidence Actually Shows Drew Timmermans, ND, RMSK There's a lot of confusion about the difference between BPC 157 arginate and acetate forms, so let's clear that up. The key distinction Instagram BPC 157 (Arginate Salt) (500mcg x 60 Capsules) Liberty Peptides Most people who talk about side effects from BPC 157 dont realize the problem isnt the peptide itself. The issue is that theyre getting unsterile, contaminated products from low quality research