BPC 157 is part of a growing list of compounds called peptides gaining interest in fitness, wellness and anti ageing circles. The buzz comes from their supposed potential to help you build muscle, Is BPC 157 Banned? Oral vs. Injectable Forms Explained BPC 157 is part of a growing list of compounds called peptides gaining interest in fitness, wellness and anti ageing circles. The buzz comes from their supposed potential to help you build muscle, 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