Sweet Corn
Zea mays
Moderate FODMAP
Portion Sensitive
Fermentable
Fresh sweet corn on the cob

FODMAP/SIBO Rating

Be careful

Serving Size Consideration: One medium cob or 1/2 cup kernels

Safe Serving Size: 1/3 cup kernels or half a small cob

Active Compounds: Polyols, Fructans, and Oligosaccharides

Fermentation Level:
Moderate

Digestive Impact

Why it's problematic: Can be problematic in larger portions

Specific symptoms: Bloating, gas, and abdominal discomfort

Typical reaction time frame: Usually within 30 minutes to 2 hours after consumption

Individual variation: Tolerance varies significantly between individuals

Safe Alternatives

Substitution ratio: 1:1

Processing Effects

Canned corn may have slightly lower FODMAP content due to the canning process

Frozen corn maintains similar FODMAP levels to fresh

Dried corn products may concentrate FODMAPs

Stacking Considerations

Avoid combining with:

  • green peas
  • sweet potatoes
  • wheat bread

Safe complementary foods: Can be safely combined with proteins like chicken, fish, and most leafy greens

Reintroduction Guidelines
  1. Start with 1/4 cup of corn kernels
  2. Wait 24 hours to assess tolerance
  3. If well-tolerated, increase to 1/2 cup
  4. Maximum test portion should not exceed 1 cup

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

Hidden Sources

Common products containing garlic:

  • corn syrup
  • cornstarch
  • corn flour
  • corn chips
  • tortillas
  • popcorn

Alternative names: maize, corn kernels, sweet maize

Individual Variables

Factors affecting tolerance:

  • Overall gut health
  • Stress levels
  • Time of day consumed
  • Preparation method

Tip: Keep a food diary to track your individual tolerance levels