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Portobello mushroom

High FODMAP (Avoid)High in mannitol

Is portobello mushroom low FODMAP?

Portobello mushroom is high FODMAP and best avoided during the elimination phase.

Portobello is mannitol-heavy, high even at small servings, and cooking does not lower it. For that meaty bite, grilled oyster mushrooms or canned champignons are the gentle swaps.

FODMAP subgroups to watch

Portobello mushroom contains mannitol that can drive SIBO symptoms.

SIBO note

Watch this one for Methane SIBO (IMO). The fermentation pattern of portobello mushroom tends to feed this specific bacterial pattern more than other SIBO types.

Low-FODMAP swaps for portobello mushroom

Oyster mushroomsLow FODMAP

Low-FODMAP vegetables to try instead

CarrotLow FODMAPBaby spinachLow FODMAPCucumberLow FODMAPLettuceLow FODMAPArugulaLow FODMAPTomatoLow FODMAP

A single food is only half the story. Eating portobello mushroom in a bigger meal? See how it stacks with the rest of your plate.

Ratings and serving guidance reflect published low-FODMAP research and public dietitian sources. Tolerance is individual. Unsibo is a wellness companion; it is not a medical device and does not diagnose, treat, or prevent any condition.