With xylitol, you can have your cake and eat it, too. It has 40% fewer calories than sugar and 75% fewer carbs. Unlike white sugar, xylitol metabolizes in the body without the use of insulin, which means it has no direct impact on blood sugar or insulin levels. With a glycemic index of 7, it?s perfect for those on sugar-controlled diets. And because it can?t be metabolized by plaque bacteria, it actually helps prevent tooth decay. How to use it: Xylitol looks, tastes and measures just like sugar....