Erythritol is a naturally-occurring sugar alcohol derived from a corn source and is naturally found in small amounts in various plants, fruits and fungi, including mushrooms. It contains virtually no calories (95% less calories than table sugar), has a low glycemic impact, and doesnt contribute to tooth decay. Basically all the bad things about sugar are absent in Erythritol, yet it tastes just like sugar and is about 70% as sweet. NOW Real Food Erythritol has a clean, sweet taste and is the perfect natural substitute for sugar in many applications. There's really no need to use refined table sugar ever again. Since you are what you eat, NOW Real Food has been committed to providing delicious, healthy, natural and organic foods since 1968. We're independent, family owned, and proud of it. Keep it natural. Keep it real.