Is fish sauce keto?

Fish sauce

Keto-friendly Yes — fish sauce is keto-friendly.

Intensely savory with less than 1 g carb per tablespoon. Check for added sugar.

Nutrition per serving

1 tbsp · 18 g
Net carbs
0.7g
Calories
6kcal
Protein
0.9g
Fat
0g
Total carbs
0.7 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 3%

About 139 g of fish sauce adds up to 5 g net carbs — roughly 7.7 typical servings.

Nutrition facts for fish sauce
NutrientPer servingPer 100 g
Calories6 kcal35 kcal
Total carbohydrate0.7 g3.6 g
Dietary fiber0 g0 g
Net carbs0.7 g3.6 g
Sugars 0.7 g 3.6 g
Protein0.9 g5.1 g
Fat0 g0 g

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Keto recipes with fish sauce

Frequently asked questions

Is fish sauce keto?

Yes — fish sauce is keto-friendly. Intensely savory with less than 1 g carb per tablespoon. Check for added sugar.

How many net carbs are in fish sauce?

1 tbsp (18 g) of fish sauce has about 0.7 g net carbs (0.7 g total carbs minus 0 g fiber). Per 100 g, that's 3.6 g net carbs.

How much fish sauce can I eat on keto?

About 139 g of fish sauce adds up to 5 g net carbs — roughly 7.7 typical servings. On a typical 20 g daily limit, one serving uses about 3% of your carbs.

More sauces & condiments

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Source: USDA FoodData Central (SR Legacy #174531): Sauce, fish, ready-to-serve. 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.

Typical price: about $9.05/lb — Our estimate of a typical supermarket price: $3.99 for 6.76 fl oz bottle. How we estimate prices

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