SodaStream's Cola is naturally flavored and one 500ml bottle can make up to 12 liters (50 servings) of carbonated drink. The soda mix is naturally flavored with a very low level of sodium. It contains no high-fructose corn syrup and no aspartame additives. Ingredients: Sucrose, Water, Caramel Coloring, Natural Flavor, Phosphoric Acid, Sucralose (SPLENDA® brand*), Caffeine, Sodium Benzoate (as Preservative)