Is kombucha keto?

Kombucha

Limit / small portions Kombucha can fit keto, but only in small, measured portions.

Fermented tea with leftover sugar. Brands range from 2 to 12 g per bottle — read labels and choose low-sugar ones.

Nutrition per serving

8 fl oz · 240 g
Net carbs
7.9g
Calories
31kcal
Protein
0g
Fat
0g
Total carbs
7.9 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 40%

About 152 g of kombucha adds up to 5 g net carbs — about 63% of a typical serving.

Nutrition facts for kombucha
NutrientPer servingPer 100 g
Calories31 kcal13 kcal
Total carbohydrate7.9 g3.3 g
Dietary fiber0 g0 g
Net carbs7.9 g3.3 g
Sugars 6 g 2.5 g
Protein0 g0 g
Fat0 g0 g

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Frequently asked questions

Is kombucha keto?

Kombucha can fit keto, but only in small, measured portions. Fermented tea with leftover sugar. Brands range from 2 to 12 g per bottle — read labels and choose low-sugar ones.

How many net carbs are in kombucha?

8 fl oz (240 g) of kombucha has about 7.9 g net carbs (7.9 g total carbs minus 0 g fiber). Per 100 g, that's 3.3 g net carbs.

How much kombucha can I eat on keto?

About 152 g of kombucha adds up to 5 g net carbs — about 63% of a typical serving. On a typical 20 g daily limit, one serving uses about 40% of your carbs.

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Source: Average of common bottled kombucha labels (8 fl oz: 6–10 g carbs). Net carbs = total carbohydrate − fiber. Rating: Limit / small portions — Fits keto only in measured portions — roughly 5–10 g net carbs per serving, or easy to overeat. How we rate foods. Last reviewed October 18, 2026.

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