Erythritol Today we would like to introduce one popular natural polyol sweetener----Erythritol to you. Erythritol is a very popular sweetener, which is unique natural polyol sweeteners with non calorie and clear cool mouth feel. Erythritol is a polyol (sugar alcohol) which is very popular for use in baking and as a general sweetener in low carb diets.Erythritol, as alternatives to sugars and as part of a comprehensive program including proper dental hygiene has been recognized by the American dental association.Â