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The strongest support comes from clinical evidence focused on treating vitamin B12 deficiency, not from general wellness claims What science supports The NIH Fact Sheet for Health Professionals shows that intramuscular B12 injections are effective at raising blood B12 levels and correcting deficiency

none of it has been established as a clinical effect in humans

Patients obtaining BPC-157 through compounding pharmacies or gray-market sources face variable purity, potency, and concentration

The goal is to get the BPC-157 molecule through the acidic crucible of the stomach and into the small intestine, the primary site for absorption, as quickly and intact as possible

5, July 2010, pp