Flour (wheat, all-purpose)
Grains · Flour
Wheat flour: 100 g is high FODMAP.
Last updated 22 September 2026Serving sizes for flour (wheat, all-purpose)
Wheat flour: 100 g is high FODMAP.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 30 g portion | 30 g | Fructans 0.22 g | |
| 2/3 cup flour | 100 g | Fructans 0.73 g |
Breakdown for 30 g
Is flour (wheat, all-purpose) low FODMAP?
GOS and fructans are high at the observed 100 g flour portion. Excess fructose, lactose, mannitol and sorbitol are low. The ratings describe flour rather than a finished baked product.
Flour (wheat, all-purpose) and IBS: what to know
Weigh the flour ingredient and consider the recipe portion. These observations do not establish a smaller low serving for a flour listed only at a high portion.
Gut-friendly ways to eat flour (wheat, all-purpose)
A 100 g portion (2/3 cup) of wheat flour is high FODMAP in GOS and fructans. This is the flour ingredient weight, not the weight of finished bread or pasta. Weigh the flour used and divide it between the portions of the recipe.
Frequently asked questions
What are the FODMAP serving sizes?
Wheat flour: 100 g is high FODMAP.
How should I measure the flour?
A 100 g portion (2/3 cup) of wheat flour is high FODMAP in GOS and fructans. This is the flour ingredient weight, not the weight of finished bread or pasta. Weigh the flour used and divide it between the portions of the recipe.
Does flour have the same rating as finished bread?
The portions describe the flour ingredient. Fermentation, other processing and additional ingredients can change the finished food. Use the matching prepared-food entry where available.
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