Vitamin B12 is a nutrient that helps keep your body's blood and nerve cells healthy and helps make DNA, the genetic material in all of your cells. Vitamin B12 also helps prevent megaloblastic anemia, a blood condition that makes people tired and weak.
Tissues absorb vitamin B12 by specific B12 binding proteins, transcobalamin I and II, facilitating transport into cells. Most of the vitamin is stored in the liver. Vitamin B12 is essential for DNA synthesis and energy production, particularly in erythroid progenitor cells.Some of its mechanisms of action include serving as a cofactor in neuronal metabolic processes, myelin generation, and neurotransmitter synthesis, as well as through antioxidative mechanisms.
Tissues absorb vitamin B12 by specific B12 binding proteins, transcobalamin I and II, facilitating transport into cells. Most of the vitamin is stored in the liver. Vitamin B12 is essential for DNA synthesis and energy production, particularly in erythroid progenitor cells.Some of its mechanisms of action include serving as a cofactor in neuronal metabolic processes, myelin generation, and neurotransmitter synthesis, as well as through antioxidative mechanisms.
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