Optimal Vitamin D levels are important for many facets of our health. But it’s a hormone crucial for bone health, mood regulation, and immune health. Virtually every cell in the body has a Vitamin D ...

Vitamin D — “the sunshine vitamin” that our bodies make when we’re exposed to sunlight — is critical to our health. It’s essential for healthy bones and teeth, inflammation regulation, immune system ...

When the sun’s ultraviolet (UV) rays connect with your skin, it triggers vitamin D synthesis, the process your body uses to create and store vitamin D. How much time you spend in the sun, the color of ...

The National Institutes of Health reports that one in four Americans is deficient in Vitamin D. This essential nutrient is especially important as we head into the cooler weather in fall and winter.

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 ...

Low levels of Vitamin D have been shown to be associated with a higher risk of having a cardiac event, like a heart attack or stroke. For this reason, treatment by Vitamin D pills or injections are ...