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This enzymatic action depletes the available intracellular pool of nicotinamide, directly limiting the synthesis of nicotinamide adenine dinucleotide (NAD+)
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People on vegan or strict plant-based diets need a reliable source from fortified foods (nutritional yeast, fortified plant milks, certain breakfast cereals) or a supplement
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This approach makes it simple to incorporate B12 shots into your regular self-care routine, much like a facial or other skin treatment
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