A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in your blood. It can indicate whether the vitamin D levels in your body are low or high. Low vitamin D levels ...

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 ...

Vitamin D3 is more stable on the shelf compared to D2, and is more likely to remain active for a longer period of time and when exposed to different ... the vitamin D blood test (again, D2 binds ...

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

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

the affinity of NLucVDR to different vitamin D metabolites, and testing the system in a larger population,” Kushioka says. His team is also exploring the best ways to provide nutrition and ...

various regimens of vitamin D supplementation have been proposed; however, little information currently exists on the safety and efficacy of supplements based on different forms of vitamin D ...

Most people need about 400 to 800 international units (IUs) of vitamin D each day, though different people have different requirements. For instance, as you age, your need for vitamin D may increase.

Vitamin D supplements do not affect preventing falls or fractures in older adults, according to the U.S. Preventative ...

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 ...