Here’s what vitamin D3 is and why your body needs it.

Add Yahoo as a preferred source to see more of our stories on Google. Do you ever feel like you take an endless supply of vitamins and supplements but are potentially not meeting your true needs?

We love to provide you with a daily dose of savings—and today, we’re taking that commitment literally. Just in time for a new-year medicine-cabinet refresh, Amazon has slashed prices on more than a ...

What is vitamin D3? Your body creates this vitamin naturally when exposed to sunlight. In the winter, however, we tend to stay inside more, making it harder to get the proper amount of D3. There are a ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While you can take certain supplements any time of the day, others need a little more careful planning.

More than 40 percent of the U.S. population is estimated to have a vitamin D deficiency, especially in regions with less year-round sun exposure. The vitamin, which is vital for the body’s absorption ...

The nutrients Vitamin K2 and D3 are key for sustaining peak health. Vitamin K2 manages calcium levels within the body, and Vitamin D3 is crucial for bolstering bone health and a resilient immune ...

Preterm infants may need to be given 800 international units of vitamin D a day to ensure they develop strong bones, according to a new study. Preterm infants may need to be given 800 international ...