Naturally Better Soft Chewing Gum No Sugar or Artificial Sweeteners Naturally Sweetened with Birch Xylitol GMO Free! Soy Free No Gluten May Reduce the Risk of Tooth Decay Vegan 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.