onion
Vegetables
Is onion high in histamine liberators?
See histamine liberators status for onion alongside other trigger notes.
Related checkers
Compare onion across criteria
Sensitivity notes
Why histamine liberators food checker matters
Histamine liberators are foods that don't contain much histamine themselves but can trigger your body to release stored histamine. This can cause similar symptoms to high-histamine foods in sensitive individuals.
- Avoid histamine liberators alongside high-histamine foods
- Common liberators include citrus, strawberries, tomatoes, and chocolate
- Your tolerance may vary based on overall histamine load
Triggers
Diets
Serving size, prep, and portion notes for onion
Aromatic base that adds depth to soups, sauces, and sautes.
Typical serving
1/4 medium onion (about 50 g)
Best for
saute bases / soups / roasted trays
Prep notes
- Sweat slowly to mellow the bite.
- Slice thinly for quick pickles or salads.
- Rinse raw slices for a lighter flavor.
Portion notes
- A quarter onion is plenty for most pans.
- Thin slices distribute flavor across bowls.
- One tablespoon minced adds aroma without bulk.
Watch for
raw bite in salads / over-browning at high heat
Explore related in Vegetables
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Histamine Liberators Guide
Everything you need to know about histamine liberators sensitivity and smart food choices.
Histamine liberators are foods that don't contain much histamine themselves but can trigger your body to release stored histamine. This can cause similar symptoms to high-histamine foods in sensitive individuals.
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 Histamine Liberators sensitivity:
View all safe options
These foods have moderate levels and may be tolerated in small amounts:
These foods are high in histamine liberators and may trigger symptoms:
View full list
If you're sensitive to Histamine Liberators, consider these strategies:
- 1Avoid histamine liberators alongside high-histamine foods
- 2Common liberators include citrus, strawberries, tomatoes, and chocolate
- 3Your tolerance may vary based on overall histamine load
- 4Keep a symptom diary to identify your personal triggers
- 5Consider your total 'histamine bucket' - liberators add to it
Pro tip: Keep a food diary to track your reactions. The Triggerbites app makes this easy with automatic pattern detection.
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