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 Understanding BPC 157 for Chronic Pain Relief BPC 157 has already hit the mainstream, but should it hit your bloodstream? Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype TB 500 vs BPC 157: Comprehensive comparison of healing peptides