Immune Modulation Rather than suppressing the immune system entirely, KPV modulates immune cell behavior
That's in addition to, as mentioned by Gambit, excess alcohol causing issues with the liver which is the primary bodily store of B12
J Physiol Pharmacol 64:597612 Krivic A, Anic T, Seiwerth S, Huljev D, Sikiric P (2006) Achilles detachment in rat and stable gastric pentadecapeptide BPC 157: promoted tendon-to-bone healing and opposed corticosteroid aggravation
Thats why the FDAs own technical staff has recommended against expanded access, and the public health group Partnership for Safe Medicines calls them "popular, unproven, dangerous. As Peter Kolchinsky, managing partner of biotech investor RA Capital Management, puts it: Is the FDA going to stand on science or is it going to permit all kinds of snake oil to be readily available? The FDA meeting will last two days