Allulose is a rare sugar found naturally in certain fruits that offers sweetness like sugar but with far fewer calories and no impact on blood glucose or insulin levels. It is gaining popularity as a healthy sweetener for people with diabetes, those on low-carb or ketogenic diets, and anyone looking to reduce sugar intake. While mild digestive side effects can occur with large amounts, allulose is generally safe and well tolerated. This article explores allulose's benefits, uses, safety, and answers common questions for those interested in healthier sugar alternatives.