BPC 157 Benefits, Dosage & Before After Results BPC 157 can be taken orally or subcutaneously, and for most people there is no difference in efficacy.Yes, some people will notice one works better than the other. Yes, some people will claim that Oral Peptides: FAQs on Bioavailability, Safety, and Clinical Use AJMC 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. Protecting and Repairing the Body with BPC 157 BioDesign Wellness Center BPC 157 Erectile Dysfunction Study: What Current Research Actually Shows