Vitamin D is crucial for bone health and immune function, but most adults only need 600 IU daily. Sunlight exposure for 20-30 minutes without sunscreen aids production, and oily fish are excellent ...
NBC’s Dr. Natalie Azar and TODAY nutrition and health expert Joy Bauer break down the basics of vitamin D, including why it's important, how much you should get per day, natural sources, the health ...
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