World's Largest Retailers Selling Unapproved Peptides And Performance Enhancing Drugs BPC 157 Erectile Dysfunction Study: What the Evidence Actually Shows Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype The FDA is reviewing 12 peptides for removal from its restricted listincluding BPC 157, TB 500, Semax, and GHK Cu. If it goes through, it's the biggest peptide policy shift in years. More access. Easier