PT - JOURNAL ARTICLE AU - Joann E. Manson TI - Vitamin D and the heart: Why we need large-scale clinical trials AID - 10.3949/ccjm.77gr.10004 DP - 2010 Dec 01 TA - Cleveland Clinic Journal of Medicine PG - 903--910 VI - 77 IP - 12 4099 - http://www.ccjm.org/content/77/12/903.short 4100 - http://www.ccjm.org/content/77/12/903.full SO - Cleve Clin J Med2010 Dec 01; 77 AB - Although vitamin D supplementation appears to be a promising intervention for reducing risks of cancer, cardiovascular disease, and other chronic diseases, existing evidence on its benefits and risks is limited and inconclusive. Recruitment is now under way for the Vitamin D and Omega-3 Trial (VITAL), the first large-scale randomized clinical trial of these nutritional agents for the primary prevention of cancer and cardiovascular disease.