Is Avocado High FODMAP?
Avocado is nutrient-dense but contains sorbitol, a sugar alcohol (polyol) that is slowly absorbed in the small intestine via passive diffusion. In portions larger than 30 grams (about 1/8 of an avocado), unabsorbed sorbitol reaches the large bowel, where it exerts an osmotic draw and undergoes bacterial fermentation, leading to bloating, flatulence, and loose stools 4 to 12 hours later.
1/8 of an avocado (30g)
Safe for most sensitive digestive tracts
1/4 avocado or more (45g+)
Exceeds colonic tolerance limit
8 hours
4 to 12 hours (small intestine to colon)
How Avocado affects your digestive tract
Polyols are poorly absorbed due to their molecular size and lack of an active transport mechanism. Once in the colon, bacterial enzymes ferment sorbitol into hydrogen and methane gas while drawing water into the lumen.
Common symptom manifestations
Gentle alternatives to Avocado
Accurately weighed 30g portions remain green (safe) on Monash University clinical tests.
Provides monounsaturated fatty acids with zero fermentable carbohydrates or polyols.
Safe up to 90g, offering a similar creamy texture with lower polyol levels.
Test your personal tolerance for Avocado
FODMAP tables provide population averages. Some people tolerate Avocado without issues, while others react to small trace amounts.
GutLog 1.5.6 includes an Active Diet Tracker with a 3-Phase Elimination Stepper. Test individual food challenge groups with automatic 3-day washout countdowns and 4-hour tag deduplication.
- Tests reactions across 6 digestion lag windows (2h to 36h)
- Calculates Poisson arrival baseline rates and lift scores
- Monitors symptom deltas for pain, bloating, and stool form
- Operates 100% on-device with zero cloud health tracking

Frequently asked questions about Avocado
Can I eat a whole avocado if I have IBS-C?
High sorbitol intake can soften stool, but the accompanying gas production and distension often cause severe visceral pain in IBS patients.
Does avocado ripeness change FODMAP levels?
Monash testing shows sorbitol content in avocados remains relatively constant across varying stages of ripeness.
Is avocado oil low FODMAP?
Yes. Pure avocado oil contains only fats and is completely free of water-soluble sorbitol.
Track Avocado in your daily food log
Download GutLog for iPhone. Free to start, no account required, completely private.
Download on the App Store