A new study has linked adequate vitamin D levels to a lower risk of colorectal cancer. Here's what you need to know about ...

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?

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 ...

(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 ...

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 ...