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In: Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride. Report at a Glance. The chemical structures of the types of vitamin D are slightly different, and they are named vitamin D 2 ergocalciferol, which comes from plants and vitamin D 3 cholecalciferol, which comes from animals. It is used to determine the effectiveness of treatment following supplementation for vitamin D, calcium, phosphorus, and magnesium.
We also encourage you to connect with us oncheck out our videos onfollow us on and check out our. But doctors are ordering tests six times as often as in 2008. Vitamin D Supplementation without Testing Because vitamin D supplementation in the general adult population is safe, it is reasonable to advise supplementation without testing. Saenger AK, et al. Once in the circulation, vitamin D is metabolized to 25-hydroxy la D 25-D by the liver. Low levels of 1,25dihydroxyvitamin D is mostly seen in patients with kidney failure. These other functions have implicated vitamin D in other disorders, such as and.
Other good sources of the vitamin include fish, eggs, and fortified dairy products. Specialist consultation should be considered for patients with malabsorption, unexplained bone pain, unusual fractures or other evidence suggesting metabolic bone disorder.
Vitamin D, 25-Hydroxy - Walk-In Lab is contracted with LabCorp LC and Quest Diagnostics QD for routine lab testing.
Low vitamin D increases the risk of broken bones. It may also contribute to other health problems. But many people do not need the test. Many people have low levels of vitamin D, but few have seriously low levels. We just need to make simple changes so we get enough D. We need to get a little more sun and follow the other advice on the at right. The test results are unlikely to change the advice from your doctor. It is much more important for you to make lifestyle changes first—to stop smoking, aim for a healthy weight and be physically active. And, like most other Americans, you should try to get enough vitamin D from sun and foods. And talk to your doctor about supplements. Extra tests lead to extra treatments and costs. For example, if you take too much vitamin D, it can damage your kidneys and other organs. One blood test for vitamin D does not cost much. But doctors are ordering tests six times as often as in 2008. All these tests add up. When should you have a vitamin D test? Talk to your doctor about your risks. This disease makes your bones weak, so that they are more likely to break. These are usually serious and ongoing diseases of the digestive system, such as inflammatory bowel disease, celiac disease, kidney disease, liver disease, pancreatitis and others. If your doctor suggests getting a vitamin D test, ask about your risks. If your risk is high, you should get the test. If your risk is low, ask if you can avoid the test. Ask if you can boost your vitamin D with sunlight and food, and possibly supplements. If your doctor does need to keep track of your Vitamin D, make sure the same test is used each time. Ask your doctor which tests are best. This report is for you to use when talking with your health-care provider. It is not a substitute for medical advice and treatment. Use of this report is at your own risk. © 2014 Consumer Reports. Developed in cooperation with the American Society for Clinical Pathology.