Researchers have found a potential link between vitamin D deficiency and a higher rate of hospitalization for respiratory ...

UK Biobank study links very low vitamin D levels with higher risk of hospital admission for respiratory tract infections ...

Vitamin D deficiency can lead to bone softening and subsequent bone pain and fractures. Learn its causes, diagnosis, treatment, and prevention.

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 ...

When your body lacks vitamin D, it can disrupt several important functions, especially the bones, muscles and immune system. Here are some ways how a deficiency of vitamin D can impact your health.

I'm pretty consistent when it comes to taking my B12 vitamins — having energy is a must when you have a toddler. And thanks to my love of fruits and veggies, I'm definitely not slacking on vitamin C ...

Experts haven’t agreed on a number that defines a low vitamin D level. For most healthy people, the Office of Dietary Supplements states that a vitamin D serum (blood) level below 20 nanograms per ...

We’re nearing the end of what’s been a long winter for people in many parts of the United States. In the middle and northern regions of the U.S., where winter brings not only cold but limited sun, ...