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 ...

A vitamin deficiency test can reveal if you’re low on folate, iron, vitamin B12, and more, but you may need guidance to interpret the results. See our dietitian’s take on some of the best ...

Virginia is holding the first special election of the year in what is being billed as a test for Democratic enthusiasm ahead ...

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 ...