Typically, people with osteoporosis should maintain a serum 25-hydroxyvitamin D level of 30 ng/mL and supplement daily with 1 ...

How long it takes for vitamins and supplements to work depends on factors like the type of vitamin, your diet and hydration, ...

Therefore, consuming foods rich in the vitamin—such as broccoli, Brussels sprouts, strawberries, bell peppers, and tomatoes—is vital for overall health.

Dear M.E.B.: I think many media sources avoid the complexity of the issue. The preferred unit to describe doses of vitamin A are now micrograms RAE, or “retinol activity units.” Different vitamin A ...

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but ...

Women who might become pregnant should be especially cautious with vitamin A supplements or avoid them entirely .

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but nobody says how ...

These findings highlight the dual roles of antioxidants in cancer. Their impact depends on cancer type, stage, and genetic ...

For example, 3,000 IU of vitamin A (as retinol) is 900 mcg RAE. About 18,000 IU beta carotene, which is less potent than ...

U.S. diets should include more of vitamins D and E, fiber, calcium and magnesium — all are essential nutrients that could offer health benefits.

While many assume over-the-counter vitamins are harmless in any combination, certain pairings can create toxic buildups or ...