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

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 ...

What Is a Phosphate Blood Test? A phosphate test measures the amount ... Issues related to calcium can be a sign of low vitamin D, or they may include: Your doctor will give you instructions ...

Vitamin D is produced naturally by the body when it's exposed to sunlight, but during the UK winter months, many people are ...

A few companies go above and beyond by incorporating blood testing and DNA data into their vitamin pack formulas. There are plenty of custom vitamin pack options from the various vitamin ...

Vitamin C supports our immune systems, helps our bodies heal wounds, protects our joints and contributes to collagen ...

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 ...

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