The study looked at vitamin D3 vs. vitamin D2 and found vitamin D2 to be less potent and actually reduced serum (total) ...

Vitamin D2 supplements may negatively impact circulating levels of vitamin D3 and negate the latter's potential benefits, ...

Vitamin D is one of the most commonly supplemented vitamins—especially in regions and during seasons with little sunlight. It ...

Vitamin D is harder to come by lately as days are darker and longer. Here are 11 foods worth trying to naturally boost your intake.

Vitamin D often gets called the “sunshine vitamin,” and for good reason — our bodies make it when our skin is exposed to sunlight. Like the sunshine itself, the “sunshine vitamin” is crucial for our ...

Research shows a strong connection between vitamin D levels and a reduced risk of colorectal cancer. Here's why you should use vitamin D supplements.

Vitamin D is one of the most commonly supplemented vitamins–especially in regions and during seasons with little sunlight. It ...

A new study reveals that taking vitamin D2 supplements might surprisingly lower your body's crucial vitamin D3 levels, essential for immunity and bone health. Researchers suggest D3, derived from ...

Dear L.M.: Overdosing on vitamin D is dangerous. Last month, I had a patient who had elevated levels of calcium, which caused ...

You can find combination supplements that include vitamin D and omega-3 fatty acids. "Because vitamin D is fat-soluble, taking it with omega-3s or other healthy fats can improve absorption," Planells ...