Is wasabi keto?

Wasabi

Keto-friendly Yes — wasabi is keto-friendly.

Most prepared wasabi is horseradish, mustard and a little starch — about 2.5 g net carbs per teaspoon, and you rarely use more.

Nutrition per serving

1 tsp · 6.5 g
Net carbs
2.6g
Calories
19kcal
Protein
0.1g
Fat
0.7g
Total carbs
3 g
Fiber
0.4 g
One serving vs. a 20 g daily net-carb limit 13%

About 12.5 g of wasabi adds up to 5 g net carbs — roughly 1.9 typical servings.

Nutrition facts for wasabi
NutrientPer servingPer 100 g
Calories19 kcal292 kcal
Total carbohydrate3 g46 g
Dietary fiber0.4 g6.1 g
Net carbs2.6 g40 g
Sugars 0.9 g 13 g
Protein0.1 g2.2 g
Fat0.7 g11 g

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Frequently asked questions

Is wasabi keto?

Yes — wasabi is keto-friendly. Most prepared wasabi is horseradish, mustard and a little starch — about 2.5 g net carbs per teaspoon, and you rarely use more.

How many net carbs are in wasabi?

1 tsp (6.5 g) of wasabi has about 2.6 g net carbs (3 g total carbs minus 0.4 g fiber). Per 100 g, that's 40 g net carbs.

How much wasabi can I eat on keto?

About 12.5 g of wasabi adds up to 5 g net carbs — roughly 1.9 typical servings. On a typical 20 g daily limit, one serving uses about 13% of your carbs.

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Source: USDA FoodData Central (SR Legacy #171831): Wasabi. Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

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