What do the results mean?If your results show a deficiency in vitamin D, it may mean you are:Not getting enough exposure to sunlightNot getting enough vitamin D in your dietHaving trouble absorbing vitamin D in your foodA low result may also mean your body is having trouble using the vitamin as it should, and may indicate kidney or liver disease.A vitamin D deficiency is usually treated with supplements and/or dietary changes.If your results show you have an excess of (too much) vitamin D, it is most likely due to taking too many vitamin pills or other supplements. You’ll need to stop taking these supplements to reduce your vitamin D levels.  Too much vitamin D can cause damage to your organs and blood vessels.To learn what your results mean, talk to your health care provider.Learn more about laboratory tests, reference ranges, and understanding results.
