Xylitol Dosage

There is no xylitol "dosage" when the product is used as a sugar substitute. When used medicinally, there are some general dosing guidelines based on several clinical studies. In studies where the product was used to prevent cavities, researchers used doses of xylitol ranging from 7 to 20 grams (taken as chewing gum or candies).

Is There an Established Dosage for Xylitol?

Xylitol is most often used as a sugar substitute, in which case there is no "dosage," per se. However, it can also be used medicinally. There is no clear, well-established xylitol dosage for any use. General dosing information is available, however, based on several different clinical studies.

Reasonable Xylitol Dosing

Xylitol has been shown to help prevent dental cavities. However, many (if not most) xylitol products do not contain a high enough dosage to have much of an effect. In general, studies of xylitol for this purpose used doses ranging from 7 to 20 grams (7000 to 20000 mg) daily (split up into three to five doses per day), taken as chewing gum or candies. Most chewing gums, even those that claim to protect teeth, do not contain nearly enough xylitol to help. In fact, it is often very difficult (if not impossible) to determine exactly how much xylitol many chewing gums contain. Although these gums with low xylitol content probably will not help prevent tooth decay, they certainly will not promote tooth decay (in other words, they may not help, but they won't harm, either).
Studies of xylitol for preventing ear infections in children used dosages of 8.4 to 10 grams daily, divided into five smaller doses per day, given as chewing gum, candy, or sometimes syrup.

General Information on Your Xylitol Dose

Some considerations for people taking xylitol include the following:
  • Excessive consumption of xylitol can have a laxative effect. This is not usually a problem with moderate consumption. If you plan to use the product at a high dosage, it is best to start with a lower dosage and slowly work up, giving your digestive system a chance to adjust (just as you might do when increasing fiber in your diet).
  • Be sure to keep xylitol away from pets. There have been numerous reports of dangerously low blood sugar (hypoglycemia), liver failure, and death in dogs due to xylitol consumption.
  • Be sure to follow the directions of your particular xylitol product. Do not exceed the recommended dose on the label unless your healthcare provider specifically recommends that you do so.
  • If you are unsure about anything related to your dosage or xylitol dosing in general, please talk with your healthcare provider or pharmacist.
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Xylitol Sweetener Information

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