Good levels of vitamin b12 in body relates to wellbeing of gut
Synaptic vesicle depletion correlates with attenuated synaptic responses to prolonged repetitive stimulation in mice lacking alpha-synuclein
Well, normally this vitamin is absorbed in the gut and so a disruption to normal gut function will reduce the amount of vitamin B12 that's being absorbed by the intestines and that will lead to a depletion of the normal body stores, which will then result in a deficiency in this vitamin within the body as a whole
They are the same thing
And specialists often miss the forest for the trees
Dig Dis Sci 54:20702083 Sikiric P, Seiwerth S, Rucman R, Turkovic B, Rokotov D, Brcic L, Sever M, Klicek R, Radic B, Drmic D, Ilic S, Kolenc D, Aralica G, Stupnisek M, Suran J, Barisic I, Dzidic S, Vrcic H, Sebecic B (2014) Stable gastric pentadecapeptide BPC 157-NO-system relation