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Chestnut
No
not keto

Chestnut

Nut

Also: European chestnut and marron

Chestnut is not keto: it has ~17 g of net carbs per 1 handful (about 10 pieces), against the keto diet's 5 g-per-serving limit.

Net carbs

17 g

per 1 handful (about 10 pieces)

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

It has about 17.8 g of net carbs per handful, well above the keto limit despite being a nut.

Nutrition facts for chestnut

1 g
Fat
1.4 g
Protein
4.2 g
Fiber

Why chestnut is not keto?

On keto the goal is to stay under ~5 g of net carbs per serving; chestnut has 17 g per 1 handful (about 10 pieces) (22 g total − 4 g of fiber).

How much chestnut can I eat on keto?

To stay under 5 g of net carbs, the limit is ~14 g of chestnut.

Related

See all: Frutos secos keto

Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.