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

Over the past few decades, the "normal" blood level of vitamin D (25-OH vitamin D) was based on the amount needed to keep PTH from becoming abnormally high. Again, PTH at high levels can cause ...

Vitamin D deficiency in early life may contribute to biological processes that raise the risk of autoimmune conditions, ...

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

Vitamin D is mostly associated with strong bones. One of the 13 essential vitamins, it can help prevent bone diseases such as ...

A certain vitamin deficiency could trigger autoimmune conditions. Researchers at McGill University in Canada studied mice ...

In our fast-paced world, essential nutrients often take a backseat in our daily routines. Among these, vitamin D stands out ...

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

and fasting blood glucose. Some groups did even better, such as those with vitamin D deficiency or lower BMI. Experts say it’s a good idea to get tested by a doctor before taking larger doses.

The mean baseline AHI was 42.8, 49% had obesity, and 37.5% had vitamin D deficiency. Upon enrollment, fasting blood samples ...

It has become difficult to identify a population of individuals that has sufficient blood levels of vitamin D. Why are so many people vitamin D deficient? A review of the various factors that can ...