Is Sweet Potato Low FODMAP?

Low only in small servings (mannitol). Sweet potato contains the polyol mannitol and becomes high FODMAP in larger servings; about half a cup is low FODMAP.

Moderate FODMAPMannitol

FODMAP level	Moderate
Main FODMAP group(s)	Mannitol
Food category	🥦 Vegetables

Low-FODMAP alternatives to Sweet Potato

If you are avoiding Sweet Potato, these are better tolerated on a low-FODMAP diet:

More vegetables and their FODMAP levels

Track Sweet Potato and your FODMAP triggers

JustAddTofu is a free iOS app that flags high-FODMAP foods as you log meals by voice — in 99+ languages, with no account required. It helps you run the low-FODMAP elimination and reintroduction phases and spot which foods set off your IBS.

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Sweet Potato & FODMAP FAQ

Is Sweet Potato low FODMAP?

Low only in small servings (mannitol). Sweet potato contains the polyol mannitol and becomes high FODMAP in larger servings; about half a cup is low FODMAP.

Can I eat Sweet Potato on a low-FODMAP diet?

Sweet Potato is low FODMAP only in small servings — larger amounts tip into high FODMAP because of the Mannitol. Stick to the recommended portion and track your own response.

What are low-FODMAP alternatives to Sweet Potato?

Low-FODMAP swaps include White Rice, Potato. These are better tolerated than Sweet Potato on a low-FODMAP diet.

Last reviewed June 2026. FODMAP ratings are based on Monash University low-FODMAP guidance and general dietary references. FODMAP tolerance and serving sizes are individual — this is general information, not medical advice. Track your own response and work with a dietitian on elimination and reintroduction.