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 (Arginate Salt) (500mcg x 60 Capsules) Liberty Peptides CRE8 Compounding Pharmacy Supplements BPC 157 Erectile Dysfunction: What the Evidence Shows and Practical Considerations BPC 157 Delayed 250mcg Pure Prescriptions Frontiers Stable binding to phosphatidylserine containing membranes requires conserved arginine residues in tandem C domains of blood coagulation factor VIII