FODMAP food guide
Is tuna salad low FODMAP?
FODMAP score
35
Moderate
In small portions — Tuna Salad is moderate in FODMAPs. Portion size decides whether it triggers symptoms.
Low-FODMAP serving
tuna with mayo and chives
Becomes high FODMAP at
with onion/garlic
Tuna and mayo are low, but added onion, celery in quantity or garlic push it up; build with low-FODMAP add-ins.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores tuna salad at a serving of tuna with mayo and chives; at with onion/garlic 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.