FODMAP food guide
Is canned tomatoes low FODMAP?
FODMAP score
28
Low FODMAP
Yes — Canned Tomatoes is low FODMAP in normal servings and is generally well tolerated by people with IBS.
FODMAPs present
Low-FODMAP serving
1/2 cup with juice (100 g)
Becomes high FODMAP at
2/3 cup with juice (132 g) or more
A half-cup serve sits comfortably inside the current low serve, which runs to about 131 g per person; canned roma or plum stretch to roughly 181 g. Per-person maths beats judging by the pot when one tin feeds four.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores canned tomatoes at a serving of 1/2 cup with juice (100 g); at 2/3 cup with juice (132 g) 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.
How much is OK?
This food's verdict depends on the serving. The bands below show where the load builds, group by group.
Excess Fructose
The 181 g figure is the canned roma/plum bound — round canned tomatoes turn moderate from 132 g. Check labels for added onion or garlic.
Bands reflect published FODMAP research for typical preparations — individual tolerance varies, especially mid-reintroduction.