Erythritol is a sugar alcohol used as a low-calorie sweetener. It is naturally found in some fruits and fermented foods, and it has about 70% of the sweetness of sugar but only 0.24 calories per gram. This makes it a popular choice for people looking to reduce their sugar intake without sacrificing sweetness in their diets. Unlike regular sugar, erythritol is not fully absorbed by the body, which means it has minimal impact on blood sugar levels. It is also tooth-friendly, as it does not contribute to tooth decay. Many food products, including sugar-free candies and beverages, use erythritol as a sweetening agent.