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To: Ian@SI who wrote (6702)	11/18/2009 4:03:26 AM
From: Shawn Donahue	Read Replies (2) \| Respond to of 7143

A Doctor in this article appears to be recommending raising the daily limit of Vitamin D to 10,000 IU/day. What do others think is a safe or at least a helpful amount? Thanks, Shawn cnn.com These studies come as the Institute of Medicine (IOM), an independent organization that advises the U.S. government on health and medical matters, is considering new recommendations for vitamin D intake. Currently, the dietary reference intake for vitamin D is 200 international units per day (IU/day) for adults ages 14 to 50, 400 IU/day for adults 50 to 71, and 600 IU/day for those older than 71. Holick says the IOM should raise the limit on the amount of vitamin D currently deemed safe, or tolerable, which now stands at 2,000 IU/day for adults. [ Michael F. Holick, M.D., Ph.D., a professor of medicine, physiology, and biophysics at Boston University School of Medicine ] "If we raise it, more food can be fortified with vitamin D and fortified at a higher level," he says. "We think [2,000 IU/day] is the baseline of what we need to take, not the upper safe limit." Holick advocates raising the daily limit to 10,000 IU. Many researchers agree and have suggested that the toxic level of vitamin D is closer to 10,000 IU/day.