John was told by his physician that he was vitamin D blood levels were low. John needs to eat foods that are rich in

Vitamin-D in the blank.

Explanation:

If you think you may have a deficiency, it's important that you speak to your doctor and get your blood levels measured. Fortunately, a vitamin D deficiency is usually easy to fix. You can either increase your sun exposure, eat more vitamin-D-rich foods, such as fatty fish or fortified dairy products.

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explanation:

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