Vitamin D

References:

1. Holick, Sunlight and vitamin D for bone health and prevention of autoimmune diseases, cancers, and cardiovascular disease, Am J Clin Nutr. 2004 Dec;80(6 Suppl):1678S-88S.
2. Holick MF, Vitamin D deficiency. N Engl J Med 2007;357:266–281.
3. Holick Mf, Vitamin D: its role in cancer prevention and treatment. Progress in Biophysics and Molecular Biology 2006; 92:49–59.
4. www.vitaminDcouncil.com
5. Parekh N, Chappell RJ, Millen AE, Albert DM, Mares JA , Association between vitamin D and age-related macular degeneration in the Third National Health and Nutrition Examination Survey, 1988 through 1994. Ophthalmology 2007 May; 125(5):661-9.
6. Eur J Clin Nutr 55:1091-7, 2001