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

They’ll label the tube of blood and send it to a lab. Some medicines, vitamins, and supplements can impact your test results' precision. These can include diuretics (water pills), antacids ...

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 may help manage hypertension, particularly in older adults with overweight or obesity, a new study ...

Numan’s blood tests target various concerns, such as fatigue, low mood, vitamin deficiency, weight changes, anaemia, erectile dysfunction, and more. Their blood tests include the Vitamin D Test, the ...

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

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 ...