Tuna (fresh or canned)
Meat, Fish & Eggs · Fish Seafood
Plain canned tuna in oil or brine: 100 g is low FODMAP; 500 g is low FODMAP.
Last updated 22 September 2026Serving sizes for tuna (fresh or canned)
Plain canned tuna in oil or brine: 100 g is low FODMAP; 500 g is low FODMAP.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 120 g portion | 120 g | None detected | |
| 1 can drained | 100 g | None detected | |
| 115 g portion | 115 g | None detected | |
| 500 g portion | 500 g | None detected |
Breakdown for 120 g
Is tuna (fresh or canned) low FODMAP?
All six listed FODMAP components are low at 100 g and 500 g for plain tuna canned in oil or brine and drained. Plain fresh tuna also has a low FODMAP profile. Added broths, flavourings, sauces and sandwich ingredients have separate serving values.
Tuna (fresh or canned) and IBS: what to know
These ratings describe the plain food at the listed weights. Consider other ingredients in a prepared dish separately.
Gut-friendly ways to eat tuna (fresh or canned)
Plain tuna canned in oil or brine is low FODMAP at 100 g drained (1 reference can), with low FODMAP portions reported up to 500 g. Can sizes vary, so weigh the drained fish. Plain fresh tuna also has a low FODMAP profile; check sauces, broths and flavourings separately.
Frequently asked questions
What are the FODMAP serving sizes?
Plain canned tuna in oil or brine: 100 g is low FODMAP; 500 g is low FODMAP.
How should I measure the portion?
One reference can contains approximately 100 g drained tuna. Can sizes vary, so use the drained weight. Use grams for fresh tuna.
Do these values include other ingredients?
These portions describe the plain food. Added sauces, seasonings, coatings and other recipe ingredients have separate serving values.
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