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 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 Introducing BPC 157 Stable Version by Diagen : r Peptides Frontiers BPC 157 as a Therapy for Retinal Ischemia Induced by Retrobulbar Application of L NAME in Rats Pentadecapeptide BPC 157 (PL 14736) improves ligament healing in the rat Cerovecki 2010 Journal of Orthopaedic Research Wiley Online Library Antinociceptive Effect of BPC 157 in the Formalin induced Pain Model