Is tamari keto?

Tamari

Keto-friendly Yes — tamari is keto-friendly.

A gluten-free soy sauce that's keto-friendly.

Nutrition per serving

1 tbsp · 18 g
Net carbs
0.9g
Calories
11kcal
Protein
1.9g
Fat
0g
Total carbs
1 g
Fiber
0.1 g
One serving vs. a 20 g daily net-carb limit 5%

About 104 g of tamari adds up to 5 g net carbs — roughly 5.8 typical servings.

Nutrition facts for tamari
NutrientPer servingPer 100 g
Calories11 kcal60 kcal
Total carbohydrate1 g5.6 g
Dietary fiber0.1 g0.8 g
Net carbs0.9 g4.8 g
Sugars 0.3 g 1.7 g
Protein1.9 g11 g
Fat0 g0.1 g

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Frequently asked questions

Is tamari keto?

Yes — tamari is keto-friendly. A gluten-free soy sauce that's keto-friendly.

How many net carbs are in tamari?

1 tbsp (18 g) of tamari has about 0.9 g net carbs (1 g total carbs minus 0.1 g fiber). Per 100 g, that's 4.8 g net carbs.

How much tamari can I eat on keto?

About 104 g of tamari adds up to 5 g net carbs — roughly 5.8 typical servings. On a typical 20 g daily limit, one serving uses about 5% of your carbs.

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Source: USDA FoodData Central (SR Legacy #174278): Soy sauce made from soy (tamari). 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 $6.88/lb — Our estimate of a typical supermarket price: $4.49 for 10 fl oz bottle. How we estimate prices

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