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 Erectile Dysfunction Study: What the Current Research Actually Shows BPC 157 (acetate) (GEPPPGKPADDAGLV, Gly Glu Pro Pro Pro Gly Lys Pro Ala Asp Asp Ala Gly Leu Val, CAS Number: 1628202 19 6) Cayman Chemical BPC 157 (Arginate Salt) Xcel Peptides BPC 157 (Arginate Salt) Pure Health Peptides Theres a lot of misinformation online about BPC 157. The common belief is that injectable BPC is for musculoskeletal issues and oral BPC is only useful for gut health. But that simply isnt true.