What are these sweeteners?

Aspartame: Aspartame is a low-calorie sweetener. Aspartame is produced synthetically and is used worldwide in over 5,000 different products (such as soft drinks, yogurts, candies, chewing gums, etc.).

Acesulfame K: Acesulfame K is a non-caloric sweetener. It is used worldwide in over a thousand different products including foods and drinks like chewing gums, dairy products, baked goods, etc.