
portobello mushroom
Fungi
Is portobello mushroom high in glutamates?
Is portobello mushroom high or low in glutamates? See its exact rating, how much counts as a portion, and its FODMAP, salicylate, oxalate and diet compatibility in one place.
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Sensitivity notes
Why glutamates food checker matters
Glutamates, including MSG, are flavor enhancers found naturally in many foods and added to others. Some people report sensitivity causing headaches, flushing, or other symptoms, though research on 'MSG syndrome' is mixed.
- MSG goes by many names - look for 'glutamate' on labels
- Naturally high in soy sauce, fish sauce, and aged cheeses
- Tomatoes and mushrooms are naturally high in glutamates
- Yeast extract and hydrolyzed proteins contain glutamates
- Fresh, unprocessed foods are generally lower
Sensitivities
What portobello mushroom contains
FODMAPs
Histamine & Amines
Plant compounds
Irritants
Additives
Allergens
Diet fit
Where portobello mushroom fits
Therapeutic diets
Lifestyle diets
Religious diets
What to know about portobello mushroom
Portobellos are just cremini mushrooms grown large and mature, and that big meaty cap is exactly why people reach for them on the grill. It is also why they are high FODMAP: they are loaded with mannitol, a sugar alcohol (polyol) that ferments in the gut. On top of that they are rich in free glutamate, the compound behind their savory, umami-heavy flavor, which can bother people sensitive to MSG-like foods.
Watch for
- High in mannitol, a polyol FODMAP, so a grilled cap or two can trigger bloating, cramping and diarrhea in a sensitive gut
- Naturally high in free glutamate, which gives the meaty umami taste but can be a trigger if you react to MSG or glutamate-rich foods
- Poor choice during a SIBO-focused elimination because the fermentable polyols feed bacterial overgrowth
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Glutamates Guide
Everything you need to know about glutamates sensitivity and smart food choices.
Glutamates, including MSG, are flavor enhancers found naturally in many foods and added to others. Some people report sensitivity causing headaches, flushing, or other symptoms, though research on 'MSG syndrome' is mixed.
Sensitivity varies widely. What triggers one person may be fine for another. Track your reactions to find your personal threshold.
These foods are generally well-tolerated for Glutamates sensitivity:
View all safe optionsThese foods have moderate levels and may be tolerated in small amounts:
These foods are high in glutamates and may trigger symptoms:
View full listIf you're sensitive to Glutamates, consider these strategies:
- 1MSG goes by many names - look for 'glutamate' on labels
- 2Naturally high in soy sauce, fish sauce, and aged cheeses
- 3Tomatoes and mushrooms are naturally high in glutamates
- 4Yeast extract and hydrolyzed proteins contain glutamates
- 5Fresh, unprocessed foods are generally lower
Pro tip: Keep a food diary to track your reactions. The Triggerbites app makes this easy with automatic pattern detection.
Want personalized tracking?
Download Triggerbites to log meals, track symptoms, and discover your unique triggers.
Get the AppFAQ
Is portobello mushroom high in Glutamates?
Glutamates: moderate signal - portion size matters.
Can I still eat portobello mushroom if I'm sensitive to Glutamates?
Try smaller portions and space it out.
What else should I check?
Check Jain, FODMAPs, and Polyols next for a fuller picture.



