?Great for Reduced-Calorie and Sugar-Free Recipes 100% natural erythritol is nature?s zero calorie, zero net carbohydrate sweetener. Erythritol looks like sugar, bakes like sugar and has 70% of the sweetness of sugar. Eyrthritol is gluten free and derived from NON-GMO corn. 100% natural erythritol is zero on the glycemic index making it diabetic friendly and suitable for anybody wishing to replace sugar with a natural healthy sweetener.