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Enhanced gut health and digestion

Some cancer cells are very dependent on Mcl-1, which is the last line of defense keeping the cell from dying

They may also be necessary when certain medications interfere with B12 absorption or in any other diagnosed condition specifically impacting B12 uptake

The hormone erythropoietin, which promotes the development of red blood cells, is produced less when the kidneys are failing

Furthermore, there is no solid proof that vitamin B-12 shots promote weight loss

B12 is an essential nutrient, and its deficiency is common, especially among individuals following restricted diets like vegetarianism or veganism, pregnant or breastfeeding women, older adults, those who have undergone gastrointestinal surgery or have gastrointestinal disorders, and people with an autoimmune condition known as pernicious anaemia