
onion
Vegetables
Is onion high in lectin?
See lectin status for onion alongside other trigger notes.
Related checkers
Compare onion across criteria
Sensitivity notes
Why lectin food checker matters
Lectins are proteins found in many plant foods, especially legumes and grains. Some people follow low-lectin diets believing they reduce inflammation and digestive issues, though properly cooked foods have reduced lectin content.
- Proper cooking destroys most lectins - never eat raw beans
- Pressure cooking is highly effective at reducing lectins
- Peeling and deseeding reduces lectin content
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
Compare similar foods to build a personalized list of swaps that work for your system.
Lectin Guide
Everything you need to know about lectin sensitivity and smart food choices.
Lectins are proteins found in many plant foods, especially legumes and grains. Some people follow low-lectin diets believing they reduce inflammation and digestive issues, though properly cooked foods have reduced lectin content.
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 Lectin sensitivity:
View all safe optionsIf you're sensitive to Lectin, consider these strategies:
- 1Proper cooking destroys most lectins - never eat raw beans
- 2Pressure cooking is highly effective at reducing lectins
- 3Peeling and deseeding reduces lectin content
- 4Fermentation can reduce lectins in some foods
- 5Sprouting may increase or decrease lectins depending on the food
Pro tip: Keep a food diary to track your reactions. The Triggerbites app makes this easy with automatic pattern detection.
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