How many carbs are in a diet fountain soda from a restaurant or some place like that?

Since diet fountain sodas contain artificial sweeteners (either Aspartame, Acesulfame K, Sucralose, Splenda, Saccharin, or a combination of them), they have 0g-1g of carbohydrate. Restaurants that mix their own sodas usually use Saccharin as a sweetener.  more