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

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

"Many Americans are deficient in vitamin D due to limited sun exposure from indoor lifestyles, sunscreen use and our northern ...

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.

Vitamin D is crucial for bone health and immunity, obtainable through sunlight and diet. Supplements, however, can lead to ...

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 ...

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

Vitamin D supplements are popular for bone health and immunity. When is the best time to take vitamin D? Here's how to take it properly, according to experts.

What’s the Difference Between Vitamin D2 and D3? Once ingested, vitamin D2 (ergocalciferol) and D3 (cholecalciferol) are absorbed in the small intestine.

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...

MegaFood Vitamin D3 & K2 delivers 5,000 IU of vitamin D and 100% of the Daily Value for vitamin K in just one capsule. These nutrients work together in the body to help maintain optimum health.

A vitamin D test can help you see if you have a vitamin D deficiency. Learn about the best tests to buy here.