Aspartame is a widely used artificial sweetener found in many popular diet sodas such as Diet Coke and Pepsi Diet. It offers sweetness with minimal calories and is considered safe by global health authorities, except for individuals with PKU. This article provides insights into why sodas use aspartame, its safety profile, manufacturing, and consumer considerations regarding this common sweetener.

This article explores whether all diet sodas contain aspartame, a widely-used artificial sweetener. It covers aspartame's use in beverages, alternative sweeteners like sucralose and stevia, health considerations, and consumer options for avoiding aspartame while still enjoying low-calorie sodas.