FODMAP food guide
Is red lentils low FODMAP?
FODMAP score
40
Moderate
In small portions — Red Lentils is moderate in FODMAPs. Portion size decides whether it triggers symptoms.
FODMAPs present
Low-FODMAP serving
1/2 cup (46g) boiled
Becomes high FODMAP at
1 cup or more
Boiled red lentils are low FODMAP at 1/2 cup; canned and rinsed lentils are even lower in GOS.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores red lentils at a serving of 1/2 cup (46g) boiled; at 1 cup or more it belongs in the high band. A source quoting the larger serve will call it high, and one quoting the smaller will call it low — the same food, measured at two different amounts.
Based on published FODMAP research and reviewed reference data. Informational only — not medical advice. Tolerance is individual; verify with a dietitian during the elimination phase.
Go deeper
Related foods — gentlest first
Green scores are the real swaps; matching numbers are just relatives, not alternatives.