Is BPC 157 Banned? Oral vs. Injectable Forms Explained 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 157 500 mcg Oral Capsules We use the BPC 157 capsules from InfiniWell as they use the arginate salt which is the better form of BPC. To help out, we have a 20% patient discount code on our website