Is Portobello Mushroom keto?
Portobello Mushroom is keto: it has ~2 g of net carbs per 1 medium, within the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
2 g
per 1 medium
These are the carbs that count on keto: total carbs minus fiber.
A medium portobello mushroom has 2.6 grams of net carbs, which is well within the keto-friendly limit.
Nutrition facts for portobello mushroom
How many carbs are in portobello mushroom?
Portobello Mushroom has ~3 g of carbs and ~2 g of net carbs per 1 medium (total carbs minus 1 g of fiber).
Why portobello mushroom is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; portobello mushroom has 2 g per 1 medium (3 g total − 1 g of fiber).
How much portobello mushroom can I eat on keto?
To stay under 5 g of net carbs, the limit is ~192 g of portobello mushroom.
Related
In moderation
In moderation
Yes
Yes
No
No
See all: Keto vegetables
Reviewed by the Ketorai team · Last updated: July 8, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
Search another food