Swap guide

Keto sugar substitutes

Sugar is pure carbohydrate. These sweeteners have no meaningful effect on blood sugar, though each tastes and bakes a little differently.

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Net carbs compared

Sugar (1 tbsp) 13 g
Erythritol (1 tbsp) 0 g
Allulose (1 tbsp) 0 g
Monk fruit blend (1 tbsp) 0 g
Stevia drops (5 drops) 0 g
Liquid sucralose (¼ tsp) 0 g

The best swaps

  1. 1

    Erythritol

    Measures close to sugar (about 70% as sweet) and is widely available. Can taste cooling and recrystallize.

    Best for: Cookies, cakes, crisp textures

  2. 2

    Allulose

    Behaves most like real sugar: browns, caramelizes and keeps ice cream soft.

    Best for: Ice cream, caramel, soft cookies, sauces

  3. 3

    Monk fruit blend

    Usually erythritol plus monk fruit — sweeter and less cooling than erythritol alone.

    Best for: All-purpose baking, coffee

  4. 4

    Stevia drops

    Very concentrated and zero-calorie; best for drinks rather than baking bulk.

    Best for: Coffee, tea, smoothies

  5. 5

    Liquid sucralose

    Filler-free and inexpensive. A few drops sweeten a whole drink.

    Best for: Drinks, syrups

Tips for better sugar swaps

  • Blends of two sweeteners (e.g. allulose + monk fruit) often taste the most like sugar.
  • Powdered erythritol dissolves better in frostings and no-bake desserts.
  • Skip maltitol: it raises blood sugar far more than other sugar alcohols.
  • If you have concerns about erythritol research, rotate in allulose, stevia or monk fruit extract.

More recipes that replace sugar

Foods this guide replaces

Frequently asked questions

What is the best keto substitute for sugar?

Erythritol is our top pick: Measures close to sugar (about 70% as sweet) and is widely available. Can taste cooling and recrystallize. Other good options: allulose, monk fruit blend, stevia drops.

Is sugar keto?

No. 1 tbsp of sugar has about 13 g net carbs. See full nutrition.

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