Adults and children over four years old should take 10 micrograms (400IU) of vitamin D per day during the autumn and winter.

If symptoms develop soon after taking a supplement, intolerance to supplement ingredients is also a possibility. Since ...

Plus, how to tell if you need to supplement at all.

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 ...

Vitamin D is one of the most essential nutrients for a child’s growth, yet it often goes unnoticed in daily health routines.

Magnesium and vitamin D help with bone health, mental health, and cardiovascular health. It's usually safe to take magnesium and vitamin D together.

My blood work showed that I was slightly low in vitamin D, so my doctor recommended that I take a supplement. My pharmacist was concerned and told me that vitamin D does not get absorbed in people ...

Even in a sun-drenched country like Israel, most people are deficient in vitamin D. But what must be added for it to actually work?

Add Yahoo as a preferred source to see more of our stories on Google. Here’s what to know about vitamin D benefits and risks, particularly when it comes to ending fatigue. (Getty Images) You might ...

Experts explain the vitamin's impact on longevity.

The cardiologist didn't believe it was a big deal. Am I doing the right thing?