Is Grapefruit keto?
Grapefruit is keto only in small portions: it has ~11 g of net carbs per 1/2 medium, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
11 g
per 1/2 medium
These are the carbs that count on keto: total carbs minus fiber.
A 1/2 medium grapefruit contains 11 net carbs, which is moderate for a ketogenic diet.
Nutrition facts for grapefruit
How many carbs are in grapefruit?
Grapefruit has ~13 g of carbs and ~11 g of net carbs per 1/2 medium (total carbs minus 2 g of fiber).
Why grapefruit is keto only in small portions?
On keto the goal is to stay under ~5 g of net carbs per serving; grapefruit has 11 g per 1/2 medium (13 g total − 2 g of fiber).
How much grapefruit can I eat on keto?
To stay under 5 g of net carbs, the limit is ~56 g of grapefruit. A better keto alternative is fresas.
Best keto alternative
Related
No
In moderation
In moderation
No
Yes
No
See all: Keto fruits
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.
Something off? Let us know.
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