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

After discovering I was vitamin D deficient, I started religiously taking supplements, and I've never felt better.

In general, a good way to work out whether your vitamin D supplementation is having the desired effect is to take a vitamin D ...

New research finds that taking a daily vitamin D supplement may help lower blood pressure, especially for older adults with ...

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 is produced naturally by the body when it's exposed to sunlight, but during the UK winter months, many people are deficient in it, as one writer found out a year ago ...

“In some countries, at-home vitamin D deficiency tests are available, but they require a finger prick blood sample. To determine vitamin D sufficiency status in a more convenient and less ...

10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU. It is much easier to access the patient’s need after a vitamin D blood test. Few individuals would allow their clinician to simply guess an ...

Read each question carefully and answer as truthfully as possible. After finishing the Vitamin Test, you will receive a detailed, personalized interpretation of your score that includes diagrams ...

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

Women who take vitamin D supplements during a pregnancy may be giving their kids the legacy of stronger bones, new research ...