Select all of the following that are true about the absorption, digestion and balance of Vitamin B12. Lack of B12 also triggers a deficiency of Niacin. Taking antacids like Prilosec and Nexium will help in B12 absorption. Elderly may not make enough intrinsic factor to absorb B12. Toxicity from taking high dose supplementation is common. It can be stored in the liver so doesn't need to be supplemented daily. Even small deficiencies can be associated with lower scores on intelligence tests, lowered spacial abilities and decreased short term memory. Deficiencies are associated with anemia and nerve damage. Deficiency is common in those with a vegan diet.
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