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 ...

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

Learn about the best time of day and way to take vitamin D and if you should consider a supplementing with this nutrient.

It is a proven fact that sunshine is the best source of vitamin D, and as the winters approach, we may be getting less of ...

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

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.

Discover how vitamin D may hold the key to managing type 2 diabetes with new insights into its impact on insulin and glucose ...

Researchers have found that high dose vitamin D3 supplementation does not significantly affect the heart health markers in ...