I spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA BPC 157 + TB 500 Nasal Spray A Z Guide BPC 157 Erectile Dysfunction Study: What Current Research Actually Shows BPC 157 has already hit the mainstream, but should it hit your bloodstream? 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.