BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options BPC 157 + TB 500 Combination: Benefits, Differences, and When to Use Both Revolution Health & Wellness 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 BPC 157: Interesting Biology, Limited Clinical Proof, BPC 157 is biologically interesting, but its not clinically proven. Most evidence is preclinical, and human data is still small and preliminary.