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. 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. Peptide BPC 157 Peptide Pure Oral Spray AutoimmunityCare Can BPC 157 Cause Erectile Dysfunction? BPC 157: Miracle Healing Peptide or Hidden Danger?