Vitamin D actions, side effects and interactions   Vitamin D (also referred to as “calciferol”) is a vitamin that is naturally present in some foods. It is added to some processed foods and is also available as a dietary supplement. Vitamin D is produced in the body when ultraviolet (UV) rays from sunlight strike the […]

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  Vitamin C (ascorbic acid), is a nutrient found in some foods. It helps to protect cells in the body from the damage caused by free radicals formed in the body or from external exposure. People are exposed to free radicals in the environment from cigarette smoke, air pollution, and ultraviolet light from the sun. […]

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