Vitamin B12 is an essential dietary nutrient necessary for energy production and proper functioning of your nervous system, among other important roles. It’s abundant in animal-based foods ...

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Vitamin B12 is a crucial nutrient that plays a fundamental role in maintaining peak health. It is integral to the creation of red blood cells, DNA synthesis, and the effective operation of the ...

B12 supplements can come in a variety of forms — spray, liquid, capsule — which can make it difficult to know what to buy.