BPC 157: What It Is, What We Know, and Why Its Use for Arthritis Remains Unproven San Diego Orthobiologics Medical Group BPC 157 is one of the peptides that has been getting a lot of attention recently. It is a synthetic peptide derived from a protein found in human gastric juice. In experimental research, Is BPC 157 Banned? Oral vs. Injectable Forms Explained 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 Pure BPC 157 Explained: Benefits, Risks, and What the Research Actually Shows