Is Avocado Low FODMAP? How Much Is Actually Safe
Avocado is one of the most misunderstood foods on the low FODMAP diet. It's marketed as a health food everywhere you look, which makes it easy to assume it's a free-for-all but portion size is everything here.
Is Avocado Low FODMAP?
In small amounts, yes. Monash University classifies avocado as low FODMAP at a serve of around 30g, which is roughly 1/8 of a medium avocado or about 2 tablespoons mashed. Beyond that, avocado becomes high FODMAP due to its sorbitol content, a type of polyol that's poorly absorbed in larger amounts.
- Low FODMAP serve: ~30g (1/8 of a medium avocado)
- Moderate to high FODMAP: anything beyond about 1/4 of a medium avocado
This is a bigger jump than most people expect going from an eighth to a quarter of an avocado can be the difference between a comfortable meal and a symptomatic one.
Why This Trips People Up
Avocado toast, smashed avocado, and guacamole are all foods where the "serving size" is usually far more generous than 30g. A typical smashed avocado serving at a café is often a whole avocado on its own many times the tested low FODMAP amount. This doesn't mean avocado is off-limits, just that it needs to be treated as a garnish rather than a base ingredient.
How to Use Avocado Without Overdoing It
- Use it as a topping rather than a filling, a couple of thin slices on a bowl or wrap rather than half an avocado mashed on toast
- Split one avocado across more servings than a recipe suggests, particularly in dishes like guacamole where it's easy to load up
- Pair it with other creamy elements like lactose-free sour cream or feta to get the texture you want without relying on avocado alone
Further Reading
If you're navigating other commonly confused low FODMAP foods, our post on common myths about FODMAPs covers a lot of the same territory - "healthy" doesn't always mean low FODMAP in unlimited amounts. And if you're just starting out, our beginner's guide to the low FODMAP diet explains how portion tracking works more broadly.
For the most accurate, lab-tested serving sizes, Monash University's FODMAP app remains the definitive source.
Building meals around low FODMAP portions gets easier with the right seasoning doing the flavour work, shop our low FODMAP spice blends.