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

Vitamin D supplements are generally in your system after 4 to 12 weeks. Learn more about the importance of consistent ...

Another key difference between the two forms of vitamin D is their source. “Vitamin D2 is usually produced by plants when exposed to sunlight,” Dr. Jiang says. Meanwhile, vitamin D3 is found in animal ...

If you have low vitamin D, the best way to make sure you are getting enough is to take a dietary supplement. Talk to your ...

Read the latest research on the importance of vitamin D for health, symptoms of vitamin D deficiency, suggested dosages and more.

Vitamin D is important for bone and cardiovascular health, as well as for the immune system and muscle function.

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.

Discover 8 supplements with key nutrients that may support hair growth, strength, and thickness — backed by expert and tester insights.

At least 4 in 100 people ages 40 to 59 are vitamin B12-deficient. Here, nine telltale symptoms of vitamin B12 deficiency experts want you to recognize.