Is crystalline fructose low FODMAP?
High FODMAP, usually limited
Crystalline fructose is high FODMAP and is usually limited during the elimination phase.
Last reviewed October 24, 2026
Crystalline fructose on a low FODMAP diet
- Leave crystalline fructose out during the elimination phase, which usually lasts two to six weeks.
- Look for a low FODMAP alternative in the same food group, or check one in our FODMAP checker.
- High FODMAP doesn't mean forever: during reintroduction, many people find they tolerate some high FODMAP foods in smaller amounts.
Which FODMAPs are in crystalline fructose
Fructose: Excess fructose means the food has more fructose than glucose. That extra fructose is absorbed less efficiently and can draw water into the bowel. Read more about fructose malabsorption.
Other sweeteners
Common questions
Is crystalline fructose low FODMAP?
Crystalline fructose is high FODMAP and is usually limited during the elimination phase. It contains excess fructose.
Which FODMAPs are in crystalline fructose?
Crystalline fructose contains excess fructose. Excess fructose means the food has more fructose than glucose. That extra fructose is absorbed less efficiently and can draw water into the bowel.
Can I have crystalline fructose during the low FODMAP elimination phase?
It's usually best left out during elimination and tested later, during reintroduction.
How do I test crystalline fructose during reintroduction?
Crystalline fructose belongs with the excess fructose group, which is often tested with honey or mango. Test one group at a time, starting small and increasing over a few days, and note how you feel.
Crystalline fructose in our guides
Category
Sweets & Desserts · Sweetener
FODMAP levels in the Stummy database are based on published FODMAP research and describe typical servings. Your own tolerance can differ. Looking for something else? Check any food in the FODMAP checker or browse the full food list.

