Best keto sugar substitutes
Sweetness with zero net carbs and no blood-sugar spike.
The right sweetener lets you bake, sweeten coffee and make dessert without leaving keto. These all measure close to 1:1 with sugar and contribute 0 net carbs — ranked by taste and how cleanly they bake.
At a glance
| # | Product | Net carbs | Protein | Cal | Price | |
|---|---|---|---|---|---|---|
| 1 | Lakanto Monk Fruit Sweetener | 0g | 0g | 0 | ~$10/bag | Buy → |
| 2 | Swerve Erythritol Sweetener | 0g | 0g | 0 | ~$8/bag | Buy → |
| 3 | RxSugar Allulose Sweetener | 0g | 0g | 0 | ~$13/bag | Buy → |
| 4 | Truvia Stevia Sweetener Blend | 0g | 0g | 0 | ~$7/bag | Buy → |
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The picks, ranked
Monk Fruit Sweetener
1:1 sugar swap, zero glycemic impact, zero net carbs.
Erythritol Sweetener
Measures 1:1 like sugar, 0 net carbs, great for baking.
Allulose Sweetener
Tastes like sugar, 0 net carbs, won't spike blood sugar.
Stevia Sweetener Blend
Stevia-based, 0 calories, widely available, baking-friendly.
Frequently asked
What is the best keto sweetener?+
Monk fruit (Lakanto) and allulose (RxSugar) taste closest to sugar with no aftertaste. Erythritol blends (Swerve) are best for baking and bulk.
Do sugar substitutes raise blood sugar?+
Monk fruit, allulose, erythritol and stevia have minimal-to-no impact on blood sugar, which is why they're keto- and GLP-1-friendly.
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