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11 Vitamin D-Rich Foods for a Stronger Immune System
Another fatty fish that is an excellent source of vitamin D is the swordfish. The USDA lists a 100-gram serving as containing ...
What is Vitamin D3? Discover its benefits, sources and side effects
sources, deficiencies, side effects and more. Vitamin D (calciferol) is a fat-soluble vitamin that plays an important role in ...