Can I Eat Oatmeal with IBS?

Rebecca Taylor
Reviewed by Rebecca Taylor, Registered Nutritionist (RNutr)
Quick Answer

Oats are low FODMAP in controlled portions and excellent for IBS-C. Stick to plain oats, not flavored varieties.

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Low FODMAP (small portions)Safe: 1/2 cup dry oats

What Our Protocols Say

Bloating-DominantGood in portions

Plain oats are gentle soluble fiber that's usually well tolerated.

Tip: Stick to 1/2 cup dry; avoid added fruits or sweeteners initially.

Constipation (IBS-C)Highly recommended

Soluble fiber in oats helps soften stools and promotes regularity.

Tip: 1/2 cup with flaxseed is an excellent morning routine.

Diarrhea (IBS-D)May help

Plain oatmeal can have a binding effect; absorbs excess water.

Tip: Plain only, small portion.

Mixed (IBS-M)Small portion daily

Stabilizing food that works for both C and D states.

Tip: Reliable breakfast option.

Post-SIBO RecoveryGF oats, small portions

Low fermentation if portions controlled.

Tip: 1/2 cup gluten-free oats allowed.

Stress-TriggeredGood choice

Stabilizing, calming breakfast option.

Tip: Supports steady blood sugar, reduces stress.

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Medical Disclaimer

This information is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare provider before making changes to your diet.

Last updated: January 29, 2025 | Reviewed by Rebecca Taylor, RNutr