FDA to weigh easing limits on unproven peptides promoted by RFK Jr. 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 How does the Peptide BPC 157 Work? BPC 157 Before and After: 1 Amazing Transformation Is BPC 157 Banned? Oral vs. Injectable Forms Explained When people ask how long they should take peptides, the truth is that it depends entirely on your goals. Different peptides serve different purposes. Injury healing peptides like BPC 157 are often