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

The Vitamin ... D3 at a dosage of at least 800 IU/day (20 mcg per day). Ideally, the vitamin D blood test should be offered from the fall season through winter when vitamin D blood levels are ...

Vitamin D deficiency has been called a global pandemic ... evidence to recommend widespread vitamin D testing among healthy adults. If a lab test reveals low levels of vitamin D, your healthcare ...

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

Some groups did even better, such as those with vitamin D deficiency or ... necessary to get a blood test prior to supplementing to see what your current vitamin D levels are.

Imagine Vitamin D as your body’s solar-powered nutrient, vital for keeping our bones robust, our immunity sharp, and our ...

The National Health and Nutritional Examination Survey confirmed that people with vitamin D deficiency are at significantly higher risk of depression than individuals with normal levels.

Vitamin D3 is the more potent form of vitamin D, which is a potential benefit. For example, obesity tends to lower blood levels of vitamin ... the vitamin D blood test (again, D2 binds less ...