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Top 5 foods that secretly cause bloating
You know the feeling – you’ve had a great dinner, everything tasted amazing… and then a few hours later you’re loosening your belt or wishing you’d worn elasticated trousers, wondering what you could have eaten that’s made you so bloated.
is one of the most common digestive complaints. Most people blame obvious culprits like greasy food or fizzy drinks. But what surprises many is this: some more ‘everyday’ foods can quietly trigger bloating too.
Let’s uncover a few of the lesser-known ones –
1. Dairy products
Yogurt and cheese are often praised for being gut-friendly, high in protein, and rich in calcium.
But here’s the catch: not everyone digests dairy well.
Many people have some degree of lactose intolerance or sensitivity, meaning they don’t produce enough lactase – the enzyme needed to break down lactose. When lactose isn’t properly digested, it ferments in the gut, leading to gas and bloating.
In fact, lactose intolerance affects a large proportion of adults worldwide.1https://www.nhs.uk/conditions/lactose-intolerance/
Goat’s milk naturally contains slightly less lactose than cow’s milk, and fermentation breaks down most of what’s left, often leaving only trace amounts. That makes Chuckling Goat’s Probiotic Kefir easier on sensitive digestive systems.
2. Artificial sweeteners
Ever picked up a ‘sugar-free’ product thinking it’s a healthier option, only to feel bloated and sluggish afterwards?
Many sugar-free snacks and drinks contain sweeteners like sorbitol or xylitol. These aren’t fully absorbed in the small intestine, so they pass into the large intestine where they ferment. The result? Gas, bloating and that sluggish feeling.
If you notice symptoms after “diet” products, it may be worth switching to more natural sweeteners like yacon syrup, dates, or small amounts of coconut sugar.
3. Cruciferous vegetables
We all know Brussel sprouts are famed for causing bloating and gas, but what about other veggies that we often consume? Broccoli, cauliflower, and cabbage are packed with fibre and nutrients… but they also contain raffinose, a type of sugar that’s hard to digest.
The key isn’t to avoid these foods altogether (they’re incredibly nutritious), but to prepare them differently: lightly steam, roast to break down the fibres, or start with smaller portions. This helps reduce their “gassy” side effects without missing out on their benefits.
4. Garlic and onion
Delicious? Yes. Gut-friendly for everyone? Not quite.
It can be difficult to avoid garlic and onion in food as they are used as the base of so many sauces. For people with sensitive systems, particularly those with IBS, these two ingredients can quickly lead to gas and bloating. For many people, following a FODMAP diet – eating a limited range of ‘non-triggering’ foods and slowly incorporating potential IBS trigger foods back into your diet – provides some relief. However, a FODMAP diet isn’t a long term fix, as Shann explains here!
5. Apples
“An apple a day” may keep the doctor away, but it can also leave you feeling bloated. Apples are high in fibre and fructose. Apples are high in both fibre and fructose. In some people, fructose isn’t well absorbed, which means it ferments in the gut. Combine that with fibre, and you’ve got a perfect recipe for bloating.2https://www.monashfodmap.com/about-fodmap-and-ibs/
If apples tend to trigger symptoms, try: smaller portions, eating them with meals instead of on their own or switching to lower-fructose fruits like berries.
Bloating isn’t just about “junk food.” Sometimes it’s the healthy, everyday foods that your body simply doesn’t tolerate well.
The goal isn’t to cut everything out – it’s to understand your personal triggers and adjust accordingly.
Getting to the root of it can make a huge difference — not just for comfort, but for your overall gut health.
If you want a deeper dive into why bloating happens (and what your body’s trying to tell you), check out Dr. Amrita Vijay’s article here.
Any questions? Contact one of our Nutritional Therapists via live chat, weekdays from 8am to 8pm
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