BPC 157 has already hit the mainstream, but should it hit your bloodstream? BPC 157 and other peptides are everywhere in the fitness world right now. The anecdotal reports (and some early research) are exciting! But, we still need to approach BPC 157 with caution. Right now, BPC 157 Peptide Therapy New Results Medical Weight Loss 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.