Is lettuce low FODMAP?

Moderate FODMAP, watch portions

Lettuce is moderate FODMAP: small portions may be fine, but larger servings can add up.

Moderate FODMAP

Fructose

Larger portions contain more excess fructose. Many people with IBS find it harder to tolerate.

Last reviewed October 24, 2026

Lettuce on a low FODMAP diet

Small amounts of lettuce are usually fine during elimination, but larger servings move into high FODMAP territory.
Avoid pairing it with other moderate or high FODMAP foods in the same meal, which is where stacking matters most.
If it bothers you, note it in a food diary and test it again during reintroduction.

Which FODMAPs are in lettuce

Fructose: Excess fructose means the food has more fructose than glucose. That extra fructose is absorbed less efficiently and can draw water into the bowel. Read more about fructose malabsorption.

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Common questions

Is lettuce low FODMAP?

Lettuce is moderate FODMAP: small portions may be fine, but larger servings can add up. It contains excess fructose. Larger portions contain more excess fructose. Many people with IBS find it harder to tolerate.

Which FODMAPs are in lettuce?

Lettuce contains excess fructose. Excess fructose means the food has more fructose than glucose. That extra fructose is absorbed less efficiently and can draw water into the bowel.

Can I have lettuce during the low FODMAP elimination phase?

In small amounts, usually yes. Larger servings can trigger symptoms, especially alongside other FODMAP sources.

How do I test lettuce during reintroduction?

Lettuce belongs with the excess fructose group, which is often tested with honey or mango. Test one group at a time, starting small and increasing over a few days, and note how you feel.

Lettuce in our guides

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