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A vitamin D test measures your blood's vitamin D levels to see if they are too high or too low. Low vitamin D levels can ...

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

Taking too much vitamin D can cause nausea, vomiting, weakness, and bone pain. Over time, vitamin D toxicity may cause heart ...

Mix chia seeds with your yogurt, fix your vitamin D levels before winter, and upgrade your struggle meals. Here's what you might have missed in trending health news this week.

The best Vitamin D supplement deals are dropping live on Amazon Prime Day, October 7. Shoppers are already grabbing discounts ...

Scientists discovered that vitamin D2 supplements can lower levels of vitamin D3, the form the body uses most effectively. Unlike D2, vitamin D3 enhances the immune system’s first line of defense ...

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