FODMAP food guide
Is pesto low FODMAP?
FODMAP score
50
Moderate
In small portions — Pesto is moderate in FODMAPs. Portion size decides whether it triggers symptoms.
FODMAPs present
Low-FODMAP serving
1 tbsp of a garlic-light pesto
Becomes high FODMAP at
2+ tbsp (garlic Fructans; cashew-based versions also add GOS)
Garlic is the main issue; traditional pine-nut pesto is low in GOS, but cashew-based pesto adds GOS, so limit to a small spoonful.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores pesto at a serving of 1 tbsp of a garlic-light pesto; at 2+ tbsp (garlic Fructans; cashew-based versions also add GOS) 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.