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

A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in your blood. It can indicate whether the ...

Almost all successful anti-fracture clinical trials have used vitamin D3 at a dosage of at least 800 IU/day (20 mcg per day). Ideally, the vitamin D blood test should be offered from the fall ...

Do you remember Bryan Johnson, the 47-year-old venture capitalist who wants to say as young as possible for as long as ...

Severe nutritional deficiencies can lead to a number of problems, including intellectual impairments, poor wound healing, poor growth, and perinatal complications, as well as a higher risk of death ...

"High cortisol in a normal individual can be a sign of stress in your case," said Dr. Hatipoglu. "However, sometimes other ...

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

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

Don’t let all those “ph-ph” words confuse you. Once your blood is collected ... Some medicines, vitamins, and supplements can impact your test results' precision. These can include diuretics ...

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

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 ...