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Here's a more detailed breakdown:

Carbonated Water: Provides the fizz and base of the drink.

Caramel Color: Adds the characteristic dark color.

Phosphoric and Citric Acid: Contribute to the tart flavor.

Aspartame: A low-calorie artificial sweetener.

Acesulfame Potassium: Another low-calorie artificial sweetener.

Natural Flavors: Contribute to the overall taste.

Sodium Benzoate: A preservative.

Caffeine: Provides a stimulant effect.

Phenylalanine: An amino acid that is a component of aspartame.