That’s because our body doesn’t make enough of the stuff in the darker months as sunlight decreases. Vitamin D is key to ...

Taking vitamin D2 may lower vitamin D3 levels, suggesting the two forms aren’t interchangeable. Vitamin D3 appears more ...

Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

While the recommended daily intake of vitamin D is 600 international units (IU) a day, you may need to take up to 3000 IU ...

The best Vitamin D supplement deals are dropping live on Amazon Prime Day, October 7. Shoppers are already grabbing discounts on Nature Made, Garden of Life, NOW Foods, Sports Research, and Nordic Nat ...

Sweeney is a contributor for TIME. Sweeney is a contributor for TIME. Vitamin D does a lot for your body, supporting strong bones, muscle movement, your immune system, and more. Taking a vitamin D ...

Since vitamin D accumulates in the body, taking a high-dose supplement may lead to vitamin D toxicity. This causes nausea, vomiting, and weakness.

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

“However, we discovered that vitamin D2 supplements can actually decrease levels of vitamin D3 in the body, which is a ...

Exhaustion is the number-one sign of a vitamin D deficiency. So if you’re feeling tired—even when you’ve gotten enough ...

Trying to choose the best daily vitamin for your health? You’re not alone. Millions of Americans take vitamins every day, but ...