FODMAP food guide
Is lemon juice low FODMAP?
FODMAP score
5
Low FODMAP
Yes — Lemon Juice is low FODMAP in normal servings and is generally well tolerated by people with IBS.
Low-FODMAP serving
1/2 cup (125 ml)
Becomes high FODMAP at
3/4 cup (187 ml) or more
Low FODMAP; safe as a flavouring or in dressings in normal amounts.
Seen a different rating somewhere else?+
Usually it's a portion difference, not a disagreement. This page scores lemon juice at a serving of 1/2 cup (125 ml); at 3/4 cup (187 ml) or more it belongs in the high band. A source quoting the larger serve will call it high, and one quoting the smaller will call it low — the same food, measured at two different amounts.
Based on published FODMAP research and reviewed reference data. Informational only — not medical advice. Tolerance is individual; verify with a dietitian during the elimination phase.
How much is OK?
This food's verdict depends on the serving. The bands below show where the load builds, group by group.
Fructans
In practice lemon juice is used by the squeeze or tablespoon (20 ml) in dressings and drinks — amounts nowhere near the half-cup threshold — so it's effectively a free-use flavoring. Bottled versions sometimes pad with other fruit concentrates; pure or fresh-squeezed is the safe pick.
Bands reflect published FODMAP research for typical preparations — individual tolerance varies, especially mid-reintroduction.