FODMAP food guide
Is potato salad low FODMAP?
FODMAP score
45
Moderate
In small portions — Potato Salad is moderate in FODMAPs. Portion size decides whether it triggers symptoms.
Low-FODMAP serving
onion-free serving
Becomes high FODMAP at
with onion / large servings
Potato and mayo are low FODMAP, but most recipes add onion; an onion-free version with chives is low.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores potato salad at a serving of onion-free serving; at with onion / large servings 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.