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A 33-year-old member asked:

What causes low vitamin d besides no sunlight and celiac disease?

1 doctor answer1 doctor weighed in
Dr. Martin Fried
Nutrition 37 years experience
Poor diet: Inadequate dietary intake can also cause low intake. Milk is supplemented with vitamin d and is a good source of vitamin d. Try eating foods that are high in vitamin d or take a vitamin d3 and calcium supplement that has at least 400 iu of d3 and 1000-1200 mg of calcium.

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Last updated Mar 29, 2017


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