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

There are probably other benefits to vitamin D supplementation in pregnancy, as well. Prior research by Moon's group found ...

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

Vitamin D not only supports your immune system but can help you prevent bone disease, regulate mood and more. Here's how you ...

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

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 ...

The A1C level test can give false or inaccurate results in some people. Doctors say your A1C level can be falsely elevated ...

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

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

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 ...

Some people also experience fatigue, aches and pains due to vitamin D deficiency. If you think you might have this deficiency, ask your doctor to order a blood test. They can help you determine ...

New blood tests are now available to screen for colorectal (colon) cancer, providing a simpler alternative to traditional ...