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Is Tuna Low FODMAP?

Low FODMAP

Yes. Plain canned tuna is low FODMAP.

Main FODMAPs: None

Why

Tuna is fish, so it contains almost no carbohydrates and no FODMAPs on its own.

Good to know

  • Flavored cans may contain onion, garlic, vegetable broth, or hydrolyzed vegetable protein.
  • Tuna salad often uses mayonnaise or dressings with onion or garlic.
  • Check the label even on cans that look plain.

Ways to use it

  • Mix with lemon juice and olive oil
  • Serve on rice cakes or gluten-free toast
  • Add to a salad with cucumber and tomatoes

Related foods

Related reading

Good to know: FODMAP content varies with variety, ripeness, preparation, brand, and serving size, and everyone's tolerance is different. This page gives general guidance without exact serving thresholds. For tested serving sizes, check the Monash University FODMAP Diet app and talk to your dietitian.

Not medical advice. This article is for general education only and does not replace guidance from your doctor or a registered dietitian. The low FODMAP diet is meant to be done in phases, ideally with a dietitian who is trained in it. See a doctor first if you have new, severe, or worsening digestive symptoms.

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Plain protein is easy. Marinades, sauces, and seasoned versions often add onion or garlic, so scan the label to check. FODMAP Scanner checks it for you in seconds.

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