Mannitol Foods

Mannitol is the other polyol on the low FODMAP diet, absorbed just as poorly as sorbitol and with the same water-drawing effect. Mushrooms, cauliflower, celery and snow peas are the usual sources. Serving size matters more here than almost anywhere else, since several mannitol foods are low at a small portion and high one step up.

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Moderate FODMAP

• Butternut Pumpkin 1 cup (120g) Moderate
• Butternut Squash Small serving Moderate

High FODMAP

• Button Mushroom 1 cup (74g) High
• Cauliflower 1 cup (132g) High
• Celery 1 cup (127g) High
• Mushroom Small serving High

Last reviewed September 22, 2026. Informational only, not medical advice.