Low-Carb Sugar-Free Sweet and Sour Cocktail Mixer Recipe

Glass of Gin and Tonic with Ice and Lime
Steve Lupton/Getty Images
Total Time: 10 min
Prep Time: 10 min
Cook Time: 0 min
Servings: 1 (1 1/2 cups total)

Nutrition Highlights (per serving)

21 calories
0g fat
7g carbs
0g protein
Show Nutrition Label Hide Nutrition Label
Nutrition Facts
Servings: 1 (1 1/2 cups total)
Amount per serving  
Calories 21
% Daily Value*
Total Fat 0g 0%
Saturated Fat 0g 0%
Cholesterol 0mg 0%
Sodium 1mg 0%
Total Carbohydrate 7g 3%
Dietary Fiber 0g 0%
Total Sugars 2g  
Includes 0g Added Sugars 0%
Protein 0g  
Vitamin D 0mcg 0%
Calcium 8mg 1%
Iron 0mg 0%
Potassium 99mg 2%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calorie a day is used for general nutrition advice.

This low-carb sugar-free sweet and sour mix recipe is really a starting place for your cocktails.

You can vary the concentrations of the juices and sweetener depending on your taste, the particular juices you use, and how much ice you are adding to the drink.

You can use this mix to make whiskey sours, daiquiris, margaritas, etc. (Try it with Jack Daniel's Whiskey—yum!) Fresh lemon and lime juices taste best, but bottled works OK.

Contrary to simple syrups, the building blocks of many cocktails, this sweet-sour mixture doesn't need to be boiled. Just stir the ingredients together and refrigerate until ready to use.


  • 1 cup water
  • 1/4 cup lemon juice
  • 2 tablespoons lime juice
  • 1/4 cup equivalent artificial sweetener (liquid preferred)


  1. In a small nonmetallic bowl, combine 1 cup water, 1/4 cup lemon juice, 2 tablespoons lime juice and 1/4 cup equivalent artificial sweetener (liquid preferred).

  2. Store covered in the refrigerator.

Sneaky Secret: In a pinch, you can use Crystal Light lemonade mix. But it won't necessarily have less carbohydrate.

How to Make a Low-Carb Cocktail

Other than from the alcohol, almost all of the calories in cocktails and mixed drinks come from sugar. If we can concoct sugar-free versions, we can relieve much of that burden. Here are some of the best low-carb spirits, mixers, and cocktails to make with them:

  • Distilled Spirits: Gin, vodka, tequila, whiskey, and rum are distilled spirits that by definition have no carbohydrate. 
  • Carbonated Mixers: Carbonated mixers are either naturally carb-free and calorie-free (club soda, sparkling water, plain water) or come in diet versions (tonic water, ginger ale, cola, lemon-lime soda such as 7-Up or Sprite). Note that tonic water does contain sugar unless it is a diet-type. 

Good Low-Carb Cocktail Choices

  • Gin and tonic (or vodka tonic)
  • Jack and Coke (made with diet cola)
  • Scotch and soda
  • Seven and Seven (Seagram's 7 and Diet 7-Up)
  • Rum and diet cola
  • Rye and ginger (rye whiskey and diet ginger ale)

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