BPC 157 Tablets Vs Injection: Benefits, Risks + Comparison 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 BPC 157 500 mcg Oral Capsules 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. The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University