they had a serum 25-hydroxy vitamin D level between 10 and 30 ng/mL. Anything below 30 ng/mL is considered insufficient, while values less than 20 are classified as vitamin D deficiency.

which can be linked to low vitamin D levels. The most reliable method, however, is a blood test. A healthcare provider can measure your serum 25-hydroxyvitamin D levels to accurately diagnose a ...

A recent study reveals that vitamin D supplements, combined with calcium, could be a key factor in lowering blood pressure ...

They also had a serum 25-hydroxy vitamin D level between 10 and 30 ng/mL, which indicates either “insufficient” vitamin D levels (below 30/mL) or vitamin D deficiency (below 20 ng/mL).

New research finds that taking a daily vitamin D supplement may help lower blood pressure, especially for older adults with ...

Minimizing sunlight exposure increases the risk of vitamin D deficiency, a known contributor ... Vitamin D status was measured through serum 25-hydroxyvitamin D levels. Researchers analyzed ...