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

Could Be Important for Fighting Infections Feb. 25, 2022 — New research has found significant differences between the two types of vitamin D, with vitamin D2 having a questionable impact on ...

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 ...

The Vitamin D Blood Test (25-OH Vitamin D): Who, How, When, and Where Clinically speaking, things began to change in the 1970s when the blood test for vitamin D (known as the "25-OH vitamin D ...

Vitamin D supplementation does not reduce the risk of cardiovascular disease, researchers reported in a September paper. The ...

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

A study from the Netherlands found that those living with depression showed 14% lower circulating concentrations of vitamin D (25-hydroxyvitamin D, a form of vitamin D) than those not diagnosed ...

Peeing more than usual and feeling more thirsty are symptoms of too much vitamin D. Learn why overdosing on vitamin D is ...

The activated vitamin D (25-hydroxy vitamin D3) in Doctor’s BEST Vitamin D3 2500IU with Vitashine D3 not only influences bone health but also helps support immune system responses, the heart and ...

A new study reinforces the importance of vitamin D to health, especially as the onset of winter diminishes sunlight, the most ...

Experts agree vitamin D is the one supplement we should all be taking during autumn and winter in the UK. This is because vitamin D plays a key role in immune and bone health, and between October and ...