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What are the risks of taking xylitol?
Xylitol is mostly safe, especially if taken in amounts found in food. The FDA has approved xylitol as a food additive or sweetener.
The manufacturer recommends up to 3.3 grams of xylitol three times a day for children to prevent recurrent ear infections. A range of doses (7-20 grams daily) have been given to adults and children to help prevent tooth decay.
Side effects. If you take large amounts of xylitol, such as 30 to 40 grams, you may experience diarrhea or gas. Increasing the dose gradually may help minimize these effects.http://www.webmd.com/vitamins-and-supplements/xylitol-uses-and-risks