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 ...

Our registered dietitian put 17 vitamin D supplements to the test — these eight options from brands like Nature Made and ...

Vitamin D has many benefits for our overall health, from strengthening bones to boosting the immune system. That’s why it’s ...

A vitamin D test is a ... on a slide or test strip, and a bandage is placed over the area to prevent further bleeding. After ...

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 ...

If you’ve discovered you have a deficiency in vitamin D, you’re not alone. It’s particularly common among: people who get limited sun exposure people with dark skin people over 65 years old ...

Are we overdoing it with vitamin D tests and supplements? Katie Ward, DNP, discusses recent findings that suggest that natural sunlight and a balanced diet might just be enough to satisfy our vitamin ...

In fact, she said most people she knows of have too-low levels of vitamin D — and unfortunately, it’s incredibly tricky to tell without a blood test. “It’s really hard to pinpoint a lack ...

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 ...