People often ask about the difference between BPC 157 arginate and acetate forms, and the answer comes down to stability and absorption. When were talking about oral BPC 157, the arginate form is far BPC 157 Arginate Receptor Chem Pure BPC 157 500 mcg, 60 capsules ProHealth.com Most peptides arent orally bioavailable and they get broken down in the stomach. BPC 157 is a notable exception, especially the arginate salt, which is the superior form when it comes to oral BPC 157 erectile dysfunction: What the evidence actually shows BPC 157 (Arginate Salt) Xcel Peptides