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Keto Vodka Soda

This refreshing Keto Vodka Soda is a carb-free cocktail to enjoy on the keto diet.

mason jar on countertop filled with vodka soda and lime slices and straw

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One of the common misconceptions about the keto diet is that you can’t have any alcohol on keto. Fortunately, that’s not true! While you shouldn’t be knocking back shots every night (not only is it hard on the body, but you may be more tempted to cheat), hard liquors are carb-free.

The classic vodka soda is one of my favorite ways to enjoy alcohol on and off keto, and thankfully this refreshing drink fits perfectly into a keto diet. I like that this drink pairs alcohol with (carbonated) water, helping increase hydration – which is important because alcohol is a natural diuretic.

Why You’ll Love This Keto Vodka Soda

  • It’s a refreshing drink that allows you to enjoy a little alcohol on keto guilt-free.
  • Thanks to the addition of carbonated water, this drink will help keep you hydrated while drinking.
  • The lime-flavored carbonated water pairs perfectly with vodka.

Ingredients Needed to Make This Keto Vodka Soda Recipe

Ingredient quantities for this homemade vodka soda are located in the recipe card at the end of the post.

keto vodka soda ingredients on a countertop

How to Make This Keto Cocktail {Quick Overview}

This is just a quick overview of some of the steps involved in making the low carb vodka soda. For the recipe in detail, including exact measurements used at each step, scroll to the recipe card at the end of the post.

To a glass, add vodka, lime-flavored carbonated water, and ice.

(Optionally, add ice first and pour vodka over ice. Add carbonated water until the glass is full as shown below.)

keto vodka soda in a glass with carbonated water being poured in

Garnish with lime slices and enjoy!

TIP: While this recipe calls for 4 oz carbonated water, you’re welcome to add more to make your drink last longer and help with hydration.

Why I Love Using My SodaStream for Keto Drinks Like This One

I used to buy lime-flavored carbonated water, but my obsession with carbonated water started to really add up! For that reason, I purchased a SodaStream and use Bubly Drops to make the water the flavor of my choosing much more affordably than buying cans or bottles of carbonated water at the store.

TIP: For the best carbonation, make sure your water is completely chilled. Don’t stick it in the freezer though – if even a small amount of the water is frozen or slushy, the carbonation will actually freeze and make your water chunky (or explode out of the bottle).

sodastream being operated by hand pressing button

Can I Drink Vodka on the Keto Diet?

Adults over 21 years of age can drink vodka on the keto diet. Vodka can be mixed with carbonated water, flavored mixer, and ice. It is enjoyed in restaurants and bars, as well as home use.

Vodka has zero net carbs and is low carb and keto-friendly.

Nutrition Facts for This Easy Zero Carb Cocktail Recipe

Per serving (1 total serving):

  • 98 calories
  • 0g fat
  • 0g protein
  • 0g net carbs

What Can I Serve with Low Carb Vodka?

It is best to serve keto crunchy snacks and appetizers with vodka drinks. Vodka beverages are typically enjoyed at happy hours and parties while socializing, and are best accompanied by easy to handle finger foods and dips.

Keto Crunchy Snacks and Keto Appetizers

Having low carb crunchy snacks and low carb appetizers are ideal when you are enjoying an alcoholic beverage. (And remember to drink responsibly!)

Like This Post? Give it a Share!

I hope you love this easy low carb vodka cocktail recipe! If you liked this post, I would so appreciate you giving it a share by using the social sharing icons. THANK YOU!

mason jar on countertop filled with vodka soda and lime slices and straw

Keto Vodka Soda

This refreshing Keto Vodka Soda is a carb-free cocktail to enjoy on the keto diet.
5 from 4 votes
Print Pin Rate
Course: Drink
Cuisine: American, Western
Keyword: keto cocktail, keto vodka drinks, low carb cocktail, low carb vodka drinks, no carb alcohol
Prep Time: 1 minute
Total Time: 1 minute
Servings: 1
Calories: 98kcal


  • 1 1/2 oz vodka
  • 4 oz lime-flavored carbonated water
  • Ice
  • Lime slices for garnish


  • To a glass, add vodka, carbonated water, and ice.
  • Garnish with lime slices and enjoy!


For an easy and inexpensive alternative to store-bought lime-flavored carbonated water, use a SodaStream and Bubly Lime Drops.
Nutrition Facts
Keto Vodka Soda
Amount Per Serving
Calories 98
% Daily Value*
Sodium 24mg1%
Potassium 3mg0%
Carbohydrates 0g0%
Fiber 0g0%
Calcium 6mg1%
Iron 0.01mg0%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition Disclaimer

Nutrition facts are included as a courtesy only. They are accurate to the best of our knowledge based on the ingredients and brands used, but their accuracy is not guaranteed. If applicable, sugar alcohols have already been removed from the total carb count.


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Welcome! I’m Jessica.

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