Carbonated Low Calories Soft Drink with Extracts of Ginger with Sweeteners. In 1783 Jacob Schweppe brought liquid to life with the invention of bubbles & Schweppervescence has been happening ever since At less than 5 calories per serving, Schweppes Slimline Canada Dry Ginger Ale is ideal if you want an adult soft drink full of flavour and gingery bite but light on calories. The Nation's Favourite Mixer Brand*. Recommended by the makers of Smirnoff. *Source: Nielson Volume and Value Sales, 52 w/e 02.01.10. Mix it with Vodka to create a Moscow Mule.