Vitamin D is one of the essential nutrients your body needs to function. It's different from other vitamins that you obtain from the food you eat. Your body can actually make Vitamin D on its own when your skin is exposed to sunlight. Vitamin D plays a vital role in several important bodily functions, including maintaining strong bones and teeth, supporting a healthy immune system, and regulating cell growth and division. It also helps your body absorb and use other important nutrients, such as calcium and phosphorus.

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