Thursday, October 15, 2009 1:34:55 AM GMT
Monday, October 12, 2009 2:00:42 AM GMT
Sunshine is a great source of vitamin D, but if cooler weather or your busy work or school schedule has you spending less time outside, you'll want to make sure you're getting enough from your diet. An adult woman needs five micrograms or 200 International Units (IU) of vitamin D each day, though it is argued that the RDI for women should be 800 to 1,000 IU. The tolerable upper intake level is 50 mcg or 2,000 IU. If you don't get enough, your risk for osteoporosis increases, since this vitamin helps maintain bone strength.
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