The Hidden Risks of BPC157: What Patients Need to Know About Contamination and Safety Regenexx at New Regeneration Orthopedics BPC 157 Injection Dosage and Benefits for Chronic Pain Relief 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 has already hit the mainstream, but should it hit your bloodstream?