10 Common Foods That Trigger Bloating (And What to Eat Instead)
If you're bloated after almost every meal, your diet is the first place to look. And I don't mean you're eating badly — I mean you're probably eating foods that are perfectly healthy for most people but are working against your gut specifically.
This is one of the most important things I teach my clients: bloating is not about eating "unhealthy" food. Some of the most nutritious foods on the planet are major bloating triggers for people with IBS or SIBO. The reason comes down to FODMAPs — fermentable carbohydrates that certain people simply can't digest well. When these carbs reach your small intestine undigested, bacteria ferment them and produce gas. That gas is what's making you miserable.
Here are 10 of the most common culprits — and what to eat instead.
1. Garlic and Onions
These are the biggest offenders I see, and they're hiding in almost everything — sauces, soups, dressings, restaurant food. They're high in fructans, a type of FODMAP that a lot of people with IBS can't tolerate at all. The good news: garlic-infused oil gives you all the flavor with none of the fructans (they don't transfer to oil). Green scallion tops and chives are also great swaps.
2. Wheat-Based Products
Here's something that surprises almost everyone: for most people with IBS, the problem with wheat isn't gluten — it's fructans. Bread, pasta, crackers, and flour tortillas are all high in fructans. Try sourdough (fermentation significantly reduces FODMAPs), rice, quinoa, or certified low-FODMAP breads.
3. Apples and Pears
These feel like the healthiest snack in the world, but they're high in excess fructose and polyols — both major bloating triggers. Swap them for oranges, strawberries, grapes, or kiwi, which are all low FODMAP and just as satisfying.
4. Milk and Soft Cheeses
Lactose is the culprit here. Hard cheeses like cheddar and parmesan are naturally very low in lactose and usually well tolerated. Lactose-free milk works perfectly as a substitute. Many of my clients are surprised to find that once they eliminate lactose, a huge percentage of their symptoms resolve.
5. Beans and Lentils
High in GOS (galacto-oligosaccharides), beans are a well-known gas producer. But you don't have to eliminate them entirely — canned, well-rinsed lentils in small portions are often tolerated. Firm tofu and eggs are excellent high-protein alternatives.
6. Cauliflower and Mushrooms
Both contain mannitol, a polyol that commonly causes bloating and diarrhea. This one catches people off guard because cauliflower in particular has become such a staple of "healthy eating." Zucchini, bell peppers, carrots, and bok choy are all delicious low-FODMAP alternatives.
7. Honey and Agave
Both are high in excess fructose. Maple syrup and regular table sugar in moderation are actually better tolerated by most people with IBS. Stevia is another good option.
8. Dried Fruits
The drying process concentrates fructose and often adds polyols. A small handful of raisins or dates can be enough to trigger significant symptoms. Stick with fresh fruit in appropriate portions.
9. Sugar-Free Gum and Mints
I mentioned this in a previous post and I'll say it again because it matters: the sorbitol, mannitol, and xylitol in sugar-free gum and mints are notorious gut irritants. On top of that, chewing gum has you swallowing excess air all day. It's a double hit. Skip them or choose regular mints in small amounts.
10. Artichokes and Asparagus
Both are high in fructans. I know — they're delicious and nutritious. Green beans, spinach, and cucumber are satisfying swaps that won't leave you uncomfortable.
One Thing I Want You to Remember
This list is not a permanent "never eat these" list. The low FODMAP diet is a structured elimination and reintroduction process — not a forever diet. The whole point of reintroduction is to identify YOUR specific triggers so you're only avoiding the foods that actually bother you, not everything on this list.
Most of my clients end up tolerating many of these foods once their gut has healed and we've identified their personal threshold. The goal is always to get you eating as broadly and freely as possible.
If you want guidance through this process — someone to walk you through exactly what to eat, what to avoid, and how to reintroduce foods correctly — that's exactly what I do.
Sarah Mirkin, RDN, CPT, LD is a Monash-certified dietitian specializing in IBS, SIBO, and sustainable weight loss. With over 25 years of experience, she helps clients find lasting relief through evidence-based nutrition.
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