Find cause: I'm going to assume that you were tested by a reputable lab; there are fake "nutrition labs." d3 deficiency is common due to diet and lack of sun exposure. If you are vitamin a and zinc deficient on a reasonably normal non-vegetarian diet, you may have malabsorption. If you are B12 deficient non-vegan, you are likely to be seriously sick & need a proper workup. Get with a dr you rightly trust.
Answered 6/24/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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