Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

Vitamin D affects how your immune system works, and plays a role in controlling certain types of inflammation, including the ...

Despite the importance of vitamin D for overall health, it is estimated that about one billion people worldwide have a deficiency, usually defined as having serum levels of 25-hydroxyvitamin D 3 ...

Erasmus University Medical Center researchers in Rotterdam have tracked vitamin D supplementation improvements in bone ...

“Vitamin D deficiency is very common and ongoing research has shown its impact on physical and mental well-being,” says Dr.

Vitamin D requires magnesium to become active, crucial for bone health, immune function, and mood regulation. Avocados are a ...

Researchers have identified that children deficient in vitamin D experience more severe symptoms of obstructive sleep apnea ...

The groups who benefited the most were non-Westerners, 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 D deficiency ...

Compared with the general population, patients with erythropoietic protoporphyria have notably lower bone mineral density, ...

Vitamin D's role in type 2 diabetes management is evolving, with evidence suggesting it may improve blood sugar levels and reduce diabetes-related inflammation.

Vitamin D deficiency is common in children with severe obstructive sleep apnea (OSA) and is associated with increased OSA severity. Lower serum 25-hydroxyvitamin D levels correlate with higher ...