New research suggests that a simple, affordable nutrient may help rewind the biological clock by protecting your DNA.

Like other vitamins, vitamin D is a substance needed for health but only in tiny amounts. Unlike other vitamins, it doesn't occur naturally in many foods (except seafood, mushrooms, and egg yolks), ...

Winter means less time in the sun, but there are foods that can help you get the vitamin D your body needs to function.

Vitamin D is closely related to building and maintaining healthy bones. It also helps with anti-inflammation, immune support, muscle function, generating brain cells, and giving your body antioxidants ...

Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when to talk to your healthcare provider.

When it comes to building strong, healthy bones, the emphasis on strength training has never been greater. Staying active is essential for bone health, but it’s important not to neglect the basics: ...

Calcium and vitamin D are both essential nutrients for maintaining strong, healthy bones. And while each plays a different role in bone health, experts say they work better when taken together.

Vitamin D deficiency is very common, especially during the winter months with less sunlight. Add these foods to your diet to help.

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 ...

Our latest tests yield some good news for the many people who take a daily vitamin D pill, or one that combines calcium and vitamin D: All of the 32 products met or exceeded their claimed levels of ...

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 ...

When you buy a carton of milk, you may notice that some brands state on the front of the label that they contain vitamin D. In reality, almost all pasteurized cow’s milk, as well as many brands of ...