Key takeaways
- Canned chickpeas, drained and rinsed, are low FODMAP at 42 g (¼ cup).
- At 120 g (a standard hummus serving base), chickpeas are high FODMAP.
- Rinsing canned legumes removes a portion of water-soluble GOS from the surface — always rinse.
- Hummus is high FODMAP at most restaurant serving sizes — make a small batch at home from 42 g chickpeas.
Chickpeas are a staple protein for vegetarian and vegan low-FODMAP dieters, but the portion limit requires real discipline. Forty-two grams sounds like very little — and it is — but within that limit they're a valuable food.
FODMAP status at a glance
- —Canned chickpeas (drained, rinsed), 42 g (¼ cup): low FODMAP
- —Canned chickpeas, 120 g: high FODMAP
- —Dried chickpeas, cooked: same limits as canned by weight
- —Chickpea flour: high FODMAP
- —Hummus (commercial, 2 tbsp): moderate FODMAP — check brand; most are higher than 42 g chickpeas
Why rinsing matters
GOS is water-soluble. The liquid in a can of chickpeas (aquafaba) contains a concentrated amount of GOS — draining and thoroughly rinsing under cold water removes a meaningful portion from the surface of the chickpeas. Never use the canning liquid in low-FODMAP cooking.
Getting protein from chickpeas within limits
- —Add 42 g to salads for protein without exceeding the limit
- —Make a small-batch hummus with exactly 42 g chickpeas + tahini + lemon + garlic-infused oil
- —Pair with other low-FODMAP proteins (egg, chicken) in the same meal
- —Consider canned lentils or firm tofu as higher-volume low-FODMAP vegan protein alternatives
References
- 1.
- 2.Tuck CJ et al. — Fermentable oligosaccharides, disaccharides, monosaccharides and polyols — implications for IBS — Journal of Gastroenterology and Hepatology, 2014
