Watercress
Nasturtium officinale
Low FODMAP
Safe to eat
Nutrient-dense
Fresh green watercress leaves

FODMAP/SIBO Rating

Safe

Serving Size Consideration: One cup of fresh watercress

Safe Serving Size: Two cups of fresh watercress

Active Compounds: Watercress contains minimal FODMAPs and is rich in vitamins A, C, K, and antioxidants

Fermentation Level:
Very Low

Digestive Impact

Why it's problematic: Rarely problematic

Specific symptoms: Generally well-tolerated with minimal digestive symptoms

Typical reaction time frame: Immediate to 2 hours if any reaction occurs

Individual variation: Most people can consume watercress without issues

Safe Alternatives

Substitution ratio: 1:1 substitution in recipes

Processing Effects

Washing thoroughly reduces any potential irritants

Can be eaten raw or cooked - both forms are low FODMAP

Stacking Considerations

Avoid combining with:

  • artichokes
  • asparagus
  • cauliflower
  • mushrooms

Safe complementary foods: Can be safely combined with other low FODMAP vegetables and proteins

Reintroduction Guidelines
  1. Start with small portion (1/2 cup) in a meal
  2. If tolerated, increase to 1 cup next day
  3. Can progress to standard 2 cup serving if no symptoms

Signs of success: No digestive discomfort after consuming regular portions

Hidden Sources

Common products containing garlic:

  • Mixed salad bags
  • Green smoothies
  • Spring mix salads
  • Sandwich garnishes

Alternative names: Garden cress, Yellow cress, True watercress

Individual Variables

Factors affecting tolerance:

  • Overall digestive sensitivity
  • Portion size consumed
  • Individual tolerance to leafy greens
  • Method of preparation

Tip: Start with small portions if you're new to watercress, despite its low FODMAP status