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 ...

Vital for bone and brain health, vitamin D has also been linked to improved muscle strength and better performances in the gym. One recent meta-analysis (a study examining lots of existing studies) ...

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

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.

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.

If you've never heard of taking a vitamin K supplement, then you are not alone. Here’s what you can do to support bone health as you age.