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It supports energy metabolism and normal physiological function, which may help address fatigue related to deficiency, but it is not a weight loss treatment on its own.

Efficacy of supplementation with methylcobalamin and cyancobalamin in maintaining the level of serum holotranscobalamin in a group of plant-based diet (vegan) adults

B12 and your nervous system What makes B12 unique is its role in nerve regeneration

Ghosh, R
