Erythritol is a naturally occurring sweetener found in many fruits and starch-based plants. It is about 70% as sweet as sugar, yet has almost no calories or negative health concerns. XyloBurst erythritol is made from renewable plant sources and is non-GMO and gluten-free. It looks like sugar, yet has 95% fewer calories, is a 0 on the glycemic index, and has minimal effects on blood sugar and insulin levels.