BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs Theres a lot of confusion about the difference between BPC 157 arginate and acetate forms, so lets clear that up. The key distinction comes down to stability in the gut. This only applies to oral The Truth About Oral vs Injectable BPC 157