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

Participants were divided into two groups: one received a placebo, while the other was given a vitamin D supplement of 60,000 ...

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

Vitamin D, an essential nutrient, is naturally produced through sun exposure and certain foods. However, excessive sunburn ...

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 ...

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

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

Sufferers often have few symptoms but too little can affect day to day life and can be serious for long-term health ...

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

Vitamin D supplements might lower blood pressure in seniors who are obese, reducing their heart health risk, a new study says ...

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 ...