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 BPC 157 Peptide & Its Role in Sports LIVV Natural Peptides like BPC 157 are everywhere on social media right now. They are most commonly promoted for injury and tendon healing and are often paired with other peptides such as TB 500. BPC 157 Banned: Key Facts on the Latest FDA Decision BPC 157 What Athletes Need to Know About Legality, Safety and Efficacy Training & Conditioning