BPC 157 TB 500 Blend 10MG Research Peptide Combination Theres a lot of debate about whether BPC 157 needs to be injected or if the oral version works. The truth is, oral BPC 157 can be just as effective as injectablebut with one key adjustment. A small 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 Is BPC 157 Banned? Oral vs. Injectable Forms Explained