How much sugar in a diet soda?

Diet sodas contain no sugar. Instead, they use artificial sweeteners to provide a sweet taste without the calories and carbohydrates that come with sugar. Artificial sweeteners are typically much sweeter than sugar, so only a small amount is needed to achieve a desired level of sweetness in diet sodas. Some common artificial sweeteners used in diet sodas include aspartame, sucralose, and acesulfame potassium.