Dietary Supplement. Non GMO LE Certified. 50 mcg (2,000 IU). Maintains bone health. Note: The number of drops may vary base on temperature and altitude. LifeExtension.com. To report a serious adverse event or obtain product information, contact 1-866-280-2852. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.)