So Sweet Erythritol contains Erythritol as its main ingredient. it is produced from glucose by fermentation with a yeast, Moniliella pollinia.It is 60–70% as sweet as table sugar yet it is almost non-caloric and does not affect blood sugar.Made of zero calorie and substitute of sugar.Because of its zero glycemic indexes, it does not raise plasma glucose or insulin levels. Thus is suitable for diabetics.It is half as sweet as sugar and 100% Natural Sweetener- Sugarfree.Each teaspoon of Erythritol is equal to one-teaspoon sugar in sweetness.