Discover how vitamin D deficiency may be sabotaging your sleep quality and learn the ways this crucial nutrient can transform your nights for better rest.

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 ...

of vitamin D per day can raise the vitamin D blood test only 1 ng/ml or just 2.5 nmol/L after 2 to 3 months. How much vitamin D is needed per day to obtain a normal vitamin D blood level?

(Garland et al., 2009) used epidemiologic data to argue for increasing the average serum levels of vitamin D to 40-60 ng/ml (100-150 nM), a level that they suggest could be achieved by an intake ...

Other organizations define a vitamin D insufficiency as 12 to 19 ng/mL (30 to 47.4 nmol/L ... 1 to 13 years 15 mcg or 600 IU 14 to 18 years 15 mcg or 600 IU 19 to 50 years 15 mcg or 600 IU ...

A level less than 12 ng/mL indicates vitamin D deficiency and could be a sign of absorption issues, according to the National Institutes of Health. If you are concerned about your vitamin D levels ...

The findings published Monday analyzed data from 2001 through 2022. However, incidence rates among women have been rising. Separately, a survey shows women are reluctant to have cancer screening ...