Cucumber
Cucumis sativus
Low FODMAP
High Water Content
Safe Raw
Fresh whole and sliced cucumber

FODMAP/SIBO Rating

Safe

Serving Size Consideration: 1 medium cucumber or 1/2 cup sliced

Safe Serving Size: Up to 1 cup sliced

Active Compounds: Cucumbers contain minimal FODMAPs and are primarily composed of water (95%). They contain small amounts of fructose and glucose in balanced ratios.

Fermentation Level:
Very Low

Digestive Impact

Why it's problematic: Rarely problematic

Specific symptoms: Generally well-tolerated with minimal digestive impact

Typical reaction time frame: If reactions occur, typically within 30-60 minutes of consumption

Individual variation: Some individuals may be sensitive to cucumber skin or seeds

Safe Alternatives

Substitution ratio: 1:1 replacement in most recipes

Processing Effects

Peeling reduces potential digestive sensitivity

Removing seeds may improve tolerance

Both raw and cooked forms are low FODMAP

Stacking Considerations

Avoid combining with:

  • watermelon
  • celery
  • asparagus

Safe complementary foods: Can be safely combined with most low FODMAP foods including lettuce, tomatoes, and carrots

Reintroduction Guidelines
  1. Start with small amount (30g) of peeled cucumber
  2. If tolerated, increase to regular serving size (65g)
  3. Try unpeeled cucumber if peeled version is well tolerated

Signs of success: No digestive discomfort within 24 hours of consumption

Hidden Sources

Common products containing garlic:

  • Greek salad
  • sandwich fillings
  • vegetable platters
  • tzatziki sauce

Alternative names: gherkin, pickle, kirby cucumber, English cucumber, Persian cucumber

Individual Variables

Factors affecting tolerance:

  • Skin sensitivity
  • Seed tolerance
  • Portion size
  • Time of day consumed
  • Overall meal composition

Tip: Start with peeled cucumber in small amounts if unsure about tolerance