Discover how Vitamin D deficiency drains energy & slows workout recovery. Learn causes, testing, and solutions to boost your gains.

If you experience any of these symptoms similar to depression, have your vitamin D levels checked. Your doctor will do a test to determine the level of the vitamin in your blood. Studies on ...

The Vitamin ... D level; however, getting blood tests at the same time makes sense, reducing the burden of time on the patient. Some health insurances cover vitamin D testing and some do not ...

Below, we walk you through everything you need to know about vitamin D and how to get your levels in the proper place.

Medically reviewed by Erika Prouty, PharmD Vitamin D helps maintain bone health and is found in certain foods, supplements, and sunlight when it interacts with the skin. Cholesterol is a fatty ...

It’s a chicken and egg kind of thing: Does being sick lead to low vitamin D or does a low vitamin D level trigger other medical problems? OR, is something else completely different going on?

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 ...