There may be an association between vitamin D deficiency and a higher body weight. However, it’s not clear whether vitamin D supplementation may help prevent or reduce weight gain. Vitamin D is ...

Some research shows that low vitamin D levels may affect joint pain related to some types of arthritis. However, the evidence is mixed, and more research is necessary to understand whether ...

For adults, a level of vitamin D in the blood of 20 nanograms per milliliter (ng/mL) or above is generally considered adequate. Levels below 20 ng/mL are generally too low for adequate bone health and ...