Aspartame is a low-calorie artificial sweetener found in many sugar-free and diet food products including sodas, chewing gums, powdered drinks, and yogurts. It provides sweetness about 200 times greater than sugar with minimal calories, aiding consumers in reducing sugar intake. Approved by major food safety authorities globally, aspartame is safe for everyone except individuals with phenylketonuria. This article explores the common products containing aspartame, its safety, usage, and role in healthier nutrition trends.