Vitamin D 25-OH. D2, D3 test can detect Vitamin D deficiency which has been linked to depression, dementia, breast and other cancers, fibromyalgia, high blood pressure plus many more. NOT AVAILABLE IN CALIFORNIA, NEW YORK, NEW JERSEY.
- Purchase on our secure website.
- Lab order is provided by us.
- You receive a collection kit for saliva, urine, or finger stick to collect at home and mail to the lab. Some tests require a blood draw at a local lab.
- You receive the results by email within 2-3 weeks.
- Got insurance? Some tests are covered. Call 800 385-7863 for more information.
- Practitioner phone consultations available, some included with test.
A number of studies have shown that vitamin D deficiency is very common, especially in certain high-risk populations. This situation has occurred, in part, because the foods in the typical American diet are very low in vitamin D. Fatty fish, such as mackeral and salmon and fish liver oils, are some of the few natural dietary sources of vitamin D. Most people do not eat enough of these foods to maintain adequate vitamin D levels. In the United States, vitamin D is added to milk in order to prevent the occurrence of rickets in the pediatric population. Unfortunately, too many children do not drink enough milk to raise their vitamin D levels to the optimum range. Also, recent studies have shown that the level of vitamin D in fortified milk is frequently much lower than that recommended by the FDA. Human milk contains very little vitamin D because many mothers are deficient, so children of mothers who choose to breast-feed are at risk of developing rickets if they are not given supplemental vitamin D. The American Academy of Pediatrics recommends that infants who are exclusively breast-feeding should be given a supplement of vitamin D.
About the Manufacturer
ZRT Laboratory is committed to delivering convenient, minimally-invasive saliva and blood spot testing services. Using cutting edge technology, ZRT Laboratory test products help to identify preventable hormone imbalances. ZRT Laboratory’s comprehensive test report provides information to help monitor hormone usage and restore hormonal balance.
ZRT Laboratory is an independently owned and operated CLIA (Clinical Laboratory Improvement Amendments) certified hormone testing facility.