Healthcare professionals can diagnose vitamin D deficiency with a 25-hydroxy vitamin D blood test. This test checks for 25-hydroxyvitamin D, a common form of vitamin D that circulates in the blood.

A vitamin D deficiency is typically diagnosed via a blood test (a 25-hydroxy vitamin D or 25 (OH)D test) and are expressed based on blood volume either as nanograms of vitamin D per milliliter of ...

"Many Americans are deficient in vitamin D due to limited sun exposure from indoor lifestyles, sunscreen use and our northern ...

As indoor lifestyles become more prevalent due to work-from-home arrangements and urban living conditions, the risk of vitamin D deficiency rises significantly.

Healthcare professionals can diagnose vitamin D deficiency with a 25-hydroxy vitamin D blood test. This test checks for 25-hydroxyvitamin D, a common form of vitamin D that circulates in the blood.

New research gives strong evidence that vitamin D deficiency is associated with premature death, prompting calls for people to follow healthy vitamin D level guidelines.

Vitamin D, a fat soluble vitamin, is important for several body functions, including heart activity. The human body needs 25-hydroxy vitamin D between 20 and 40 ng/mL to function properly and ...

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.

A vitamin D deficiency is common, and it can lead to further health issues. Still, many people with the deficiency have no symptoms. Learn more here.

A comprehensive study of older adults in Swedish nursing homes found no connection between vitamin D deficiency and persistent nonspecific symptoms, including confusion, restlessness, fatigue, ...

An at-home test is a convenient way to monitor your vitamin D levels and can be an important first step in learning to manage this common deficiency.

Vitamin D deficiency is common in Western countries. Learn more about the symptoms and causes of vitamin D deficiency, as well as how to treat it.