People taking it had better blood pressure, total cholesterol ... those who started with a 25-hydroxy vitamin D level of less than 15.0 ng/mL (below 20 ng/mL is generally deemed to be vitamin ...

According to Dr. Sangwan, the best way to determine whether or not you have a vitamin D deficiency is to visit your primary care doctor and ask for a test called the 25-hydroxy vitamin D test.

Altogether, 99 suitable studies were found that included a total of 17,656 participants ... those who started with a 25-hydroxy vitamin D level of less than 15.0 ng/mL (below 20 ng/mL is generally ...