She has also had 16 wellness books published by major publishers including the bestselling Easy GI Diet, The Macro Method, Quit Alcohol (For a Month) and Eat 5. Her books have sold over one million copies.
- 26 Cottage Cheese Toast Toppings - June 17, 2026
- Simple No-Carb Tabbouleh Recipe - October 12, 2025
- 24 Healthy Egg-Based Breakfasts - August 22, 2025
Bloating doesn’t always have to be about what you’ve eaten – it can also be related to what’s going on in your life while you eat it, especially if you’re under pressure. Here are five reasons why you might experience bloating when you’re stressed – and seven solutions to help reduce its effects.
1. Your Digestion Switches To Go Slow
You might live in a lovely two-bedroom house or apartment, but your body still lives in a cave surrounded by scary things!
When it’s stressed, its main focus is not digesting lunch, but sending its energy and resources towards the muscles and the brain so you can run away from whatever it thinks is stressing you out. This diverts blood and energy away from your gut, slowing down peristalsis—the wave-like muscular contractions that move food through the gastrointestinal tract.
Like swallowing food in large chunks, this increases the amount of time food remains in the stomach and intestines – and again, your gut bacteria get more time to ferment it, leading to gas and bloating.
2. You’re Inhaling Lunch
If you’re busy at work, you’re probably not taking a long lunch break – more likely scarfing down a sandwich at your desk – and there are two reasons why this can trigger belly-bloat.
First, the faster you eat, the more air you swallow. As we mentioned in our article on why the gym can cause bloating, swallowed air can collect in the gut, rapidly causing you to gain a dress size.
But when you eat quickly, you also chew less, and chewing is the first step in digestion. It breaks down food into smaller pieces that your digestive system can work with, and mixes it with saliva, which exposes carbohydrates to the enzymes they need to break down. When food isn’t chewed properly, your body takes longer to digest it, allowing more time for the bacteria in your gut to break it down. And these are the little fellas that produce the gas that causes bloating.
3. Stress Upsets Gut Microbiome Balance
Let’s talk more about that bacteria. Your gut houses trillions of microorganisms – collectively known as the gut microbiome. These play a crucial role in digestion, but also impact immune function and even mood regulation. Stress can alter the balance of this microbial community.
Considering I’ve just told you that it’s the bacteria chomping on food that triggers gas and that causes bloating in the first place, that might not sound like such a bad thing, but an imbalanced microbiome (a state called dysbiosis) can push the mix of bacteria toward those that trigger greater fermentation of food in the intestines and make the problem worse.
And it doesn’t take long for this to happen. The gut bacteria are quickly affected by changes in their environment, positively and negatively. In Australia, research showed that just one week of exams was enough to negatively affect the gut bacteria balance in students.
4. Stress Affects the Gut Lining
The lining of the gut is responsible for letting nutrients in and keeping harmful substances out. Under chronic stress, this barrier can become more permeable – a condition often referred to as “leaky gut.”
When the gut lining is compromised, undigested food particles and toxins can pass into the bloodstream, triggering immune responses and inflammation. Inflammation in the gut can lead to swelling of the intestinal walls, which further slows digestion and intensifies the sensation of bloating.
Again, it doesn’t take a lot for this to happen – in people stressed out by public speaking, just having to stand up in front of a crowd and make a speech, caused changes in the gut lining in one study.
Additionally, increased permeability can contribute to food sensitivities. Foods you previously tolerated may start to trigger excessive gas production, resulting in discomfort and bloating after meals.
Related Read: Spotting food intolerances can be tricky, especially if they are being triggered by foods you used to be able to tolerate without issue. Read how to keep a food diary that might help.
5. Stress Increases Your Sensitivity to Gas
Sometimes, it’s not that you’re producing more gas when you’re under stress that causes the problem, but rather that you feel it more.
When we’re stressed, we can become more aware of issues within our body. This might manifest in symptoms like panic attacks, if you start to notice changes in your breathing, but it can also mean that you feel more discomfort from normal amounts of gas or intestinal stretching. This phenomenon is known as visceral hypersensitivity, and while it can happen to anyone, it’s very common in people with gut issues like irritable bowel syndrome.
This can make even mild bloating feel like you’ve gained three dress sizes. You’re also more sensitive to pain when stressed, so bloating that might only have felt like mild wind if you were calm can feel more like painful cramps.
How To Reduce the Effects of Stress on Your Gut
Understanding the connection between stress and digestion is the first step to relief; the next is taking some steps to mitigate the effects. Here are some strategies that may help:
Take Time Over Meals
You don’t have to dine out every day, but at least slow down and focus on your food rather than cramming in food between typing paragraphs.
Chew Well
Chew each mouthful to a paste before swallowing. As an added bonus, it’s also been shown that chewing can stimulate parts of the immune system.
Limit Gut Irritants
Reduce intake of caffeine, alcohol, and ultra-processed foods, which can worsen gut symptoms.
Add to Your Army
If you know you’re going to be going through a period of stress, start increasing the intake of fermented foods in your diet. These foods, such as kimchi, live yogurt, kefir, or filmjolk, help implant good bacteria in the system, replenishing numbers and restoring balance. Also, increase your fibre intake to allow the bacteria you do have to thrive – do this carefully, though, or you might end up with a case of the Prebiotic Paradox.
Consider a Probiotic Supplement
This will also help boost levels of bacteria in your gut. Right now, experts aren’t sure which are the most important types of bacteria to focus on, so, it’s best to choose a multi-strain probiotic.
As a general rule, if a probiotic is going to work for you, it will take about 4-6 weeks to start showing benefits. If you don’t see any improvements, maybe swap to a gut-specific brand.
Try and Relax
Easier said than done, I know, but even just spending a few minutes doing something relaxing like meditation, yoga, deep breathing, and spending time in nature can reduce stress hormones and support digestion. It takes a lot less meditation than you might think to achieve results – see more in our guide on how long you need to meditate.
Related Read: TRE is a simple process you can do at home that claims to shake off stress and anxiety. See more about it here.
Consider Expert Help
If stress affects symptoms of gas and bloating enough that they start to affect your quality of life, it might be worth speaking to someone who offers cognitive behavioural therapy or medical hypnosis. Both of these can help turn down visceral hypersensitivity.
So, as you see, gas and bloating aren’t just about what you eat—they’re also about how you live. By addressing stress as part of your digestive health plan, you may find that your symptoms improve not only in your gut but throughout your whole body. A calmer mind can lead to a calmer belly.