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Can too much folic acid offset the benefits of other vitamins?
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Can too much folic acid offset the benefits of other vitamins?
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Excessive folate intake can mask B12 deficiency symptoms. For that reason the upper level (UL) of folic acid (the supplemental or fortification form in food) is set at 1000ug. It is water-soluble and there is no known toxicity, however.
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