Brown Rice

Low FODMAP

Tested serving

1 cup (180g) Low

Brown rice is Low FODMAP at 1 cup (180g), making it one of the most reliable staples for a settled gut.

At the tested serving of 1 cup (180g), brown rice shows no elevated FODMAP subgroups, so it sits comfortably in the low range and tends to be gentle on sensitive digestion.
It's a naturally wheat-free whole grain, which is why it works so well as a base for bowls, stir-fries, and sides where other grains might cause trouble; just keep an eye on flavored or pre-seasoned versions that may sneak in onion or garlic.

Use it as a versatile foundation for meals, cooking it plain and adding your own low-FODMAP flavorings like garlic-infused oil.

Why brown rice is rated low

Brown rice is low FODMAP at the tested serving of 1 cup (180g), and it is low in a straightforward way: the record shows no raised FODMAP subgroup for it at all. There is no fructan problem to work around, no polyol to watch, nothing that has to be drained or fermented away. That is why brown rice turns up as the base of so many meals on this diet. The one thing the ladder does not do is stretch: 1 cup (180g) is the only serving that has been tested, so what is verified is that helping, not an open bowl, and not the sauce or the stock that usually comes with it.

What changes your risk

Serving size The published serving is 1 cup (180g) and it is low. Larger helpings have not been tested, so the confident answer stops where the ladder stops rather than extending to a second bowl.
The rest of the plate Because brown rice carries no raised subgroup of its own, the thing that tips a rice meal over is everything around it. A bowl of rice with a legume curry, a side of bread and fruit afterwards can add up even when the rice itself is doing nothing.
Hidden onion and garlic This is the real trap with rice. Stock cubes, rice cooker seasoning packets, pilaf and biryani blends, stir fry sauces and pre seasoned microwave pouches are built on onion and garlic powder. Plain rice cooked in water stays plain.
Cooking method does not change it Boiling, steaming, a rice cooker, fried rice or a reheated leftover portion all sit at the same rating. Nothing about heat or cooling alters the FODMAP content, so what matters is the amount and what was cooked into it.
Flavour without the risk Garlic infused oil carries the garlic taste without the fructans, since they do not dissolve into oil. Chives, the green tops of spring onions and a pinch of asafoetida do similar work for a rice side dish.

What else works

Brown rice sits in good company: white rice, quinoa, polenta, buckwheat, oats and potato all fill the same starchy base role and are staples on this diet, and gluten free pasta covers the same job in a different shape. The lookalikes worth knowing are the grains people assume are equivalent because they cook the same way and sit next to rice on the shelf. Couscous, ordinary wheat pasta, barley and rye are wheat family grains and are not low FODMAP swaps at ordinary servings, and a boxed rice pilaf or a seasoned rice and vegetable blend is not the same food as plain brown rice once the onion and garlic powder is in it.

How to keep it low

Buy plain brown rice, long or short grain, with nothing on the ingredient list but rice, and do the flavouring yourself. Cook a batch at the start of the week and portion it into containers with a cup measure while it is still loose, since it is much harder to judge a serving once it is under a sauce. Rinsing before cooking is fine and changes nothing about the rating. When you are eating out, the rice is rarely the problem but the pot it was cooked in can be: ask whether it is cooked in stock or broth, which is where the onion and garlic hides, and ask for plain steamed rice instead. Microwave rice pouches are convenient but read the back, because many add onion powder, garlic powder or yeast extract even in the plain looking versions.

Common questions

is brown rice low fodmap

Yes. Brown rice is low FODMAP at the tested serving of 1 cup (180g), with no raised FODMAP subgroup recorded for it.

how much brown rice can i eat

The tested serving is 1 cup (180g) and it is low. Larger helpings have not been tested, so that is the amount the published data actually supports.

can i eat brown rice during the elimination phase

Brown rice is one of the standard low FODMAP staples during elimination at 1 cup (180g). Keep it plain and season it yourself, since the trouble in a rice dish is usually the stock or seasoning blend rather than the grain. Reintroduction is worked through with a dietitian.

does brown rice have onion or garlic in it

Plain brown rice does not. Seasoned rice mixes, pilaf blends, microwave pouches and rice cooked in stock very often do, so check the label or ask for it cooked in water.

Learn more

Informational only, not medical advice. Individual tolerance varies. Talk to a healthcare professional or a dietitian for personal guidance.

References

Fructan and free fructose content of common Australian vegetables and fruit. Muir et al. (2007), J. Agricultural and Food Chemistry 55(16):6619-6627.
Measurement of short-chain carbohydrates in common Australian vegetables and fruits by HPLC. Muir et al. (2009), J. Agricultural and Food Chemistry 57(2):554-565.
Quantification of fructans, galacto-oligosaccharides and other short-chain carbohydrates in processed grains and cereals. Biesiekierski et al. (2011), J. Human Nutrition and Dietetics 24(2):154-176.
Dietary sorbitol and mannitol: food content and distinct absorption patterns. Yao et al. (2014), J. Human Nutrition and Dietetics 27(Suppl 2):263-275.
FODMAPs: food composition, defining cutoff values and international application. Varney et al. (2017), J. Gastroenterology and Hepatology 32(Suppl 1):53-61. Supplies the low, moderate and high cutoffs used on this page.