Low FODMAP
Safe at the serving size listed.
Safe serving
Unrestricted
Why
No FODMAP ceiling at any portion. Along with carrot, lettuce and potato, cucumber is one of the genuinely free vegetables, which makes it useful for bulking out a salad or a lunchbox when the more interesting ingredients are all portion-limited.
This entry is compiled from published Monash-aligned guidance rather than our own laboratory testing, and thresholds are revised as new data arrives. For the elimination phase the Monash app is the authority. See the full food list for how the categories fit together, orcheck another food.
Free download
Low-FODMAP Elimination Phase Starter Kit
A 14-page PDF: the full safe-foods list, a two-week meal plan, a printable symptom tracker and a shopping checklist you can take to the store.