Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review 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 People talk about BPC 157 like it's one thing. It isn't. Oral BPC 157 stays local. It survives digestion long enough to act on the GI mucosa, then clears before it reaches systemic circulation. GHK Cu 99%+ Pure Peptide Amino Club Amino Club GHK Cu 50mg Copper Peptide GHK CU 50 mg Superior Chains Research Labs