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Although vitamin B12 tablets are sold in large dosages well beyond the recommended dietary limit, these quantities do not guarantee that the total portion will be absorbed because sufficient amounts of intrinsic factors are also required
E., Modesto, J., Richie, J
Various medical conditions, such as celiac disease and Crohns disease, can also impact vitamin B12 absorption, making injections a valuable solution for affected individuals
Xu G, Song M
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