How Long Does BPC 157 Take to Work? Timeline and Guide BPC 157 has already hit the mainstream, but should it hit your bloodstream? 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 BPC 157 has already hit the mainstream, but should it hit your bloodstream? What is BPC 157 and How Can It Benefit You? Le Jolie Med Spa BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options