If the best vitamin D supplements aren't already part of your daily supplement stack, there’s a decent chance they should be.

This is a big deal. Not only do our bodies need vitamin D to properly function, but not getting enough of the nutrient can ...

Vitamin D is essential for bone health and immune function. One of these best vitamin D supplements can help if you're not ...

OU Health's Dr. Catherine Mims explains why vitamin D is critical for bone, brain, and immune health, and how to safely ...

Vitamin D has long been known to play essential roles in boosting immune health and protecting the nervous system. New ...

In one of my last pieces, I broke down how training frequency can drive adaptations for the everyday athlete. Today, we're exploring a powerful lever: vitamin D ...

Vitamin D is commonly absorbed into the body from sunlight, but how much do women really need?

One study found that 82% of people with irritable bowel syndrome (IBS) were low on vitamin D—and the lower their vitamin D levels, the worse their symptoms.

Vital for bone and brain health, vitamin D has also been linked to improved muscle strength and better performances in the ...

Vitamin D is the hero when it comes to calcium absorption, bone health, immune function, and even mood regulation. Some studies link low levels of vitamin D to fatigue, depression, muscle pain ...

Vitamin D is crucial for bone health, immune function, and mood, yet deficiency is widespread due to limited sun exposure and poor diet. Sunlight is the most effective way to boost vitamin D ...

There are a few key differences between vitamin D2 vs. D3. Learn what they are and why they matter.