CRE8 Compounding Pharmacy Supplements BPC 157 (Arginate Salt) Xcel Peptides 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 erectile dysfunction: what the evidence and real world experience actually show