cassava flour
Grains
Is cassava flour high in fructans?
Find out whether cassava flour is high or low in fructans, see its exact rating, and check its FODMAP, salicylate, oxalate and diet compatibility all in one place.
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Compare cassava flour across criteria
Sensitivity notes
Why fructans food checker matters
Fructans are chains of fructose molecules found in wheat, onions, garlic, and many other foods. They're a type of FODMAP that can cause digestive symptoms in sensitive individuals because they're not well absorbed in the small intestine.
- Garlic-infused oil is low-FODMAP since fructans don't dissolve in oil
- Green parts of leeks and scallions are lower in fructans
- Sourdough bread may be better tolerated than regular wheat bread
Triggers
Diets
Serving size, prep, and portion notes for cassava flour
Cassava flour is the whole cassava root peeled, dried and milled, and that whole root origin is the entire point of it. Tapioca starch comes from the same plant but is only the starch washed out of the root, so it arrives as pure carbohydrate, while cassava flour keeps the fibre and the rest of the root with it. On the trigger panel the flour is close to spotless: A for gluten, histamine, histamine liberation, salicylate, oxalate, nickel, sulfite, glutamate, dairy protein and nightshade. Its single borderline grade is fermentability at C, and that is precisely the retained fibre doing what fibre does in a gut that ferments too eagerly. The commercial drying and milling process also deals with the cyanogenic compounds that make the raw root dangerous, so the flour on a supermarket shelf does not carry the preparation risk fresh cassava does.
Watch for
It is not interchangeable with tapioca flour. Cassava flour is the whole dried root and tapioca is the extracted starch, so they absorb liquid differently, bake differently and land differently in the gut. Substituting one for the other cup for cup is the most common reason a recipe fails. / Borderline at C for low fermentation and SIBO. The fibre that makes it more nourishing than pure starch is also what ferments, so it can bloat where tapioca starch or arrowroot pass quietly. / FODMAP content is unrated for the flour in our data while the fresh root grades B. Treat a heavy cassava flour bake as an unmeasured portion rather than a confirmed green light. / Grain free does not mean allergen free. Cassava flour grades A for gluten, but shared mills and shared bakery lines still matter if you are coeliac, so buy certified if that applies to you. / Food grade cassava flour is processed to strip the root cyanogens. The exception is under-processed flour milled from bitter cassava in subsistence settings, which has been behind poisoning outbreaks and is a processing failure rather than a property of the flour you buy.
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Fructans Guide
Everything you need to know about fructans sensitivity and smart food choices.
Fructans are chains of fructose molecules found in wheat, onions, garlic, and many other foods. They're a type of FODMAP that can cause digestive symptoms in sensitive individuals because they're not well absorbed in the small intestine.
Sensitivity varies widely. What triggers one person may be fine for another. Track your reactions to find your personal threshold.
These foods are generally well-tolerated for Fructans sensitivity:
View all safe options
These foods have moderate levels and may be tolerated in small amounts:
These foods are high in fructans and may trigger symptoms:
View full list
If you're sensitive to Fructans, consider these strategies:
- 1Garlic-infused oil is low-FODMAP since fructans don't dissolve in oil
- 2Green parts of leeks and scallions are lower in fructans
- 3Sourdough bread may be better tolerated than regular wheat bread
- 4Spelt and ancient grains still contain fructans despite marketing claims
- 5Portion size matters - small amounts may be tolerable
Pro tip: Keep a food diary to track your reactions. The Triggerbites app makes this easy with automatic pattern detection.
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Get the AppFAQ
Is cassava flour high in Fructans?
Fructans: low signal for most people.
Can I still eat cassava flour if I'm sensitive to Fructans?
Usually fine in normal portions.
What else should I check?
Check Low Fermentation, Low Fermentation, and Paleo AIP next for a fuller picture.