What is BPC 157 (Body Protection Compound 157) and how is it administered therapeutically? Subcutaneous Injection Sites and Instructions for Safe Self Administration 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 has already hit the mainstream, but should it hit your bloodstream? Subcutaneous Injection: What It Is and How to Give One