What is erythritol? erythritol stevia mix simply keto low carb Erythritol is also called erythritol and is a natural and tooth-friendly sugar substitute completely without usable carbohydrates and without calories. It has absolutely no effect on blood sugar and is therefore ideal for diabetics, ketarians and low-carbers. Erythritol is the only one of the sugar alcohols or “polyols” that is 100% not utilized by the body. In other words, it has no calories, no usable carbohydrates, and no effect on blood sugar. Officially, it must be stated as a carbohydrate in nutritional values, but can be completely subtracted as the body cannot absorb it and it has a calorific value of 0. You can find more information about erythritol here: What is erythritol Why mix erythritol & stevia? Pure erythritol has a cool aftertaste for many people.