FODMAP food guide
Is protein shake low FODMAP?
FODMAP score
45
Moderate
In small portions — Protein Shake is moderate in FODMAPs. Portion size decides whether it triggers symptoms.
Low-FODMAP serving
isolate-based shake
Becomes high FODMAP at
whey-concentrate or inulin-added shakes
Depends on the protein source; whey concentrate and added inulin raise FODMAPs, whey isolate or rice/egg protein are low.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores protein shake at a serving of isolate-based shake; at whey-concentrate or inulin-added shakes 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.