date:Apr 08, 2013
vement in vitamin D status plays a large role in improving immunity and lowering the risk for many diseases.
Vitamin D is unique in that it can be both ingested and synthesised by the body with sun exposure. It is then converted by both the liver and kidneys to a form that the body can use. An individuals level of vitamin D, or their vitamin D status, is determined by measuring the level of 25-hydroxyvitamin D in the blood. Vitamin D deficiency, which is defined as a status of less than 20 nano