Is BPC 157 Banned? Oral vs. Injectable Forms Explained Everyone is celebrating the peptide reversal. I'd slow down. For two years BPC 157, TB 500, and Thymosin Alpha 1 were banned. Americans bought them from overseas anyway. The ban didn't stop demand. It 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: The Body Protection Compound Revolutionizing Regenerative Medicine 503Pharma NFL and NFLPA inform players of addition to banned substance list: BPC 157, an experimental peptide not approved for use by humans that has been found in supplements and recovery treatments. The Peptide Boom Is Getting Out of Hand The Atlantic