Controlled human safety, pharmacokinetic, and efficacy studies have not been published in peer-reviewed clinical literature
Prohibited List - Section S2: Peptide Hormones, Growth Factors, Related Substances, and Mimetics
While early preclinical data show promise, its crucial to understand that BPC157 is not federally approved for human use, and nearly all products available to consumers are unregulated research chemicals
BPC-157 is so widely available that I doubt any pharmaceutical company would invest in the necessary research to prove or disprove its efficacy and safety, since they are unlikely to gain from it financially
Oral B12 supplements are widely available in tablet, capsule, and sublingual forms