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

Children whose mothers had higher vitamin D levels during pregnancy scored better on tests of memory, attention and ...

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

Typically, people with osteoporosis should maintain a serum 25-hydroxyvitamin D level of 30 ng/mL and supplement daily with 1 ...

So, while vitamin D2 and D3 perform the same functions, your body metabolizes vitamin D3 more efficiently than D2. Another key difference between the two forms of vitamin D is their source.

What Is Vitamin D3? Vitamin D3, also called cholecalciferol, is the form of Vitamin D that your body makes naturally when your skin is exposed to the sun, specifically ultraviolet B (UVB) rays.

Vitamin D3 also interacts with cellular signaling pathways, including inhibition of NF-κB and activation of the PI3K/Akt pathway, both implicated in inflammation and aging. Furthermore, vitamin D may ...

The Best Time to Take Vitamin D for Maximum Absorption, According to Health Experts A doctor and dietitian break down what to consider as you choose when to take your dose.

If you’re vitamin D-deficient, taking a vitamin D3 supplement could offer potential benefits, experts say. But how often do you actually need to take it, and who should avoid it?

If you’re vitamin D-deficient, taking a vitamin D3 supplement could offer potential benefits, experts say. But how often do you actually need to take it, and who should avoid it?

A new study suggests vitamin D could reduce biological aging by nearly three years, highlighting its role in telomere protection and chronic disease prevention.