Vitamin D-Rich Foods For Immunity
Vitamin D Is Key to a Healthy Immune System, and These 7 Foods Have It in Spades
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While milk doesn't naturally contain vitamin D, it is almost always fortified with this nutrient — a practice that dates back to the 1900s, when the nutrient was added to combat an increase in rickets cases. Enjoying a glass of milk is a simple way to give your body a boost of vitamin D, regardless of whether you're choosing skim, whole, or anything in between.