BPC 157 Injectable vs. Oral Which is Best Mike Torchia and Kwan James break down the difference between injectable and oral peptides. Injectables are more direct for joints, tissue repair, and 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. BPC 157 Peptide Therapy Beverly Hills Tissue & Gut Repair The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University