Experts warn that even if you’re taking vitamin D, your body might not be using it—because one critical nutrient is missing.

Vitamin D is one of the most important, essential nutrients for overall health. It actually functions more like a hormone ...

A new study shows a potential association between levels higher vitamin D levels and lower levels of the Alzheimer's biomarker tau protein years later.

Higher serum vitamin D in midlife is associated with reduced tau burden in the brain, highlighting its potential role in ...

Vitamin D may be a potentially modifiable factor to reduce dementia risk, study suggests ...

Maintaining normal vitamin D levels can help support healthy sleep patterns. However, the time of day you take vitamin D may ...

Higher levels of vitamin D in early midlife were associated with significantly lower levels of tau deposition 16 years later in adults without dementia.

If you spend the bulk of your time indoors, you should probably add this supplement to your stack. Experts share exactly how much you should consume per day.

JoAnn Manson, MD, shares findings from the VIVID trial on vitamin D, the timing of use, and its potential to reduce long ...

Vitamin D levels in midlife may play a bigger role in long-term brain health than previously thought. In a study following nearly 800 people over 16 years, those with higher vitamin D levels in their ...

Taking vitamin D on an empty stomach is likely safe, but absorption may be lower and some people may experience mild stomach ...

Striving to get some extra vitamin D in your life—whether it’s by eating fortified foods like breakfast cereals or yogurts, getting outside to soak up some extra sun, or poppin’ a daily supplement—is ...