Naturally Better Soft Chewing Gum No Corn Vegan No Soy No Titanium Dioxide Birch Xylitol No Sugar or Artificial Sweeteners Gluten Free May Reduce the Risk of Tooth Decay GMO Free We sweeten Xylichew with Birch Xylitol extracted from sustainable US forests. Xylitol helps slow the rate and amount of acid production in the mouth reducing the acid-producing bacteria that erode tooth enamel. Imagine that, a natural sweetener that tastes great and does not promote tooth decay.