Is doughnut keto?
doughnut is not keto: it has ~25 g of net carbs per 1 medium doughnut, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
25 g
per 1 medium doughnut
These are the carbs that count on keto: total carbs minus fiber.
With over 25 grams of net carbs per single doughnut, this high-sugar bakery item will rapidly spike your insulin and kick you out of ketosis.
Nutrition facts for doughnut
How many carbs are in doughnut?
doughnut has ~26 g of carbs and ~25 g of net carbs per 1 medium doughnut (total carbs minus 0 g of fiber).
Why doughnut is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; doughnut has 25 g per 1 medium doughnut (26 g total − 0 g of fiber).
How much doughnut can I eat on keto?
To stay under 5 g of net carbs, the limit is ~12 g of doughnut. A better keto alternative is keto low-carb bar (erythritol-sweetened).
Best keto alternative
Related
Reviewed by the Ketorai team · Last updated: August 11, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
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