BPC 157 erectile dysfunction: What the evidence actually shows CRE8 Compounding Pharmacy Supplements BPC 157 (Arginate Salt) (500mcg x 60 Capsules) Liberty Peptides Theres a lot of debate about whether BPC 157 needs to be injected or if the oral version works. The truth is, oral BPC 157 can be just as effective as injectablebut with one key adjustment. A small BPC 157 erectile dysfunction study: What the current evidence actually shows BPC 157 and Erectile Dysfunction: What the Evidence Actually Shows