Options include: Fortified foods : Nutritional yeast, plant-based milk alternatives, breakfast cereals, and meat substitutes fortified with B12 (check labels for content) Supplements : Daily supplements of 10 mcg or weekly doses of 2,000 mcg ensure adequate intake, as recommended by the British Dietetic Association The body absorbs approximately 50% of a 12 mcg dose but only about 1% of a 1,000 mcg dose through passive diffusion
For this reason, people in this age group are often recommended to either take supplements, eat fortified foods or get regular injections
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Food and Drug Administration (FDA)
However, certain lifestyles or health conditions might lead to a deficiency in one or more Vitamin B vitamins, necessitating supplements