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

Vitamin D3 seemed more effective than D2 at raising this important blood test. Furthermore, preliminary work showed that enzymes in the liver and the final vitamin D receptors (VDR) in important ...

Vitamin D supplementation may help manage hypertension, particularly in older adults with overweight or obesity, a new study ...

Vitamin D, existing in two main forms – D2 and D3 – is more than just a nutrient ... Reach out to your healthcare provider for a simple blood test to know where you stand and how you can ...

Vitamin D is available in two forms: plant-derived vitamin D2 or vitamin D3 from animal-based foods (D3 is also produced when skin is exposed to sunlight). Supplements and fortified foods contain ...

Can vitamin D supplements prevent heart disease? A new study finds no impact on cardiac health in older adults, even with ...

Vitamin D exists in two main forms—D2 (ergocalciferol) and D3 (cholecalciferol), with the latter being more effective at raising blood levels of the vitamin. For Vitamin D to be activated in the ...

Research indicates that vitamin D supplementation during pregnancy positively impacts children's bone health and lean mass, ...

Vitamin D3 is more effective at raising and maintaining the vitamin D blood test (again, D2 binds less tightly to the vitamin D receptors in the body; therefore, D2 does not circulate as long in ...

Vitamin D3 supplementation with calcium reduces blood pressure in elderly, overweight individuals, particularly those with ...