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Blueberry
In moderation
yes, in small amounts

Blueberry

Fruit

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Is Blueberry keto?

Blueberry is keto only in small portions: it has ~9 g of net carbs per 1/2 cup, against the keto diet's 5 g-per-serving limit.

Net carbs = total − fiber

9 g

per 1/2 cup

These are the carbs that count on keto: total carbs minus fiber.

Blueberries are moderate on a ketogenic diet because a 1/2 cup serving contains 9.1 grams of net carbs.

Nutrition facts for blueberry

0.2 g
Fat
0.5 g
Protein
1.8 g
Fiber

How many carbs are in blueberry?

Blueberry has ~10 g of carbs and ~9 g of net carbs per 1/2 cup (total carbs minus 1 g of fiber).

Why blueberry is keto only in small portions?

On keto the goal is to stay under ~5 g of net carbs per serving; blueberry has 9 g per 1/2 cup (10 g total − 1 g of fiber).

How much blueberry can I eat on keto?

To stay under 5 g of net carbs, the limit is ~41 g of blueberry. A better keto alternative is frambuesa.

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Best keto alternative

Related

See all: Keto fruits

Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: July 5, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
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