FODMAP food guide
Is oatcakes low FODMAP?
FODMAP score
35
Moderate
In small portions — Oatcakes is moderate in FODMAPs. Portion size decides whether it triggers symptoms.
FODMAPs present
Low-FODMAP serving
2 oatcakes
Becomes high FODMAP at
4+ oatcakes
Oats are low in small amounts but fructans accumulate with quantity; stick to about two oatcakes.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores oatcakes at a serving of 2 oatcakes; at 4+ oatcakes 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.