Bloating: causes and solutions

Digestion starts with chewing. If you swallow your meal too quickly—within less than ten minutes—you take in a lot of air and slow down the work of digestive enzymes. Food then reaches the gut less prepared, where it ferments more easily, producing intestinal gas and that bloated-belly feeling. Overly large meals or not chewing enough can make this worse too, making digestion slower and less comfortable.

The gut microbiome—made up of more than 100 trillion micro-organisms—plays a key role in digesting fibres and sugars. A low-fibre diet, prolonged tiredness, stress, or a recent course of antibiotics can disrupt its balance and lead some bacteria to produce more gas, which promotes abdominal bloating. Keeping your microbiome balanced is therefore essential for optimal digestion.

Some foods are naturally fermentable: pulses, cabbages, onions, dairy products, or foods high in FODMAPs (hard-to-digest sugars that ferment in the colon). If you eat them in excess or too often, you may worsen bloating—especially if you’re sensitive. The issue isn’t the food itself, but the portion size and how it’s combined with other foods.

Stress directly affects your digestion. When you’re tense or chronically tired, gut transit can slow down and food can ferment for longer in the intestines. Even a balanced diet can then lead to bloating, simply because your body isn’t in the best conditions to digest.

Taking the time to eat is a simple but powerful habit. Give yourself at least twenty minutes per meal, chew slowly, and reduce swallowed air to make digestion easier. Chewing each bite around twenty times and putting your cutlery down between bites helps your body prepare food and significantly reduces that bloated feeling.

Meals that are too large overload the digestive system. To limit bloating, try to build a balanced plate: ½ vegetables, ¼ protein and ¼ starchy carbs. In the evening, reduce portions by 20–30% to help decrease night-time bloating and improve sleep quality.

Fibre feeds the gut microbiome, but you need to increase it gradually to avoid excessive gas. The recommended fibre intake is 30 to 45 g per day. Add a new source of fibre every 3 to 4 days and increase your intake each week so your microbiome can adapt and digestion becomes more efficient.

Certain probiotic strains can reduce bloating and improve digestive comfort. Studies show benefits after an average of 8 weeks of regular use. Consistency and choosing well-documented strains are key for a lasting, meaningful effect.

Light physical activity supports gut transit and helps gas pass. Go for a 10–15 minute walk after each meal, do gentle stretches, or practise a few minutes of belly breathing to kick-start digestion and quickly reduce bloating.

Stress slows digestion and increases that bloated feeling. A few minutes of belly breathing is enough to restart the digestive system: inhale for 4 seconds, exhale for 6 seconds, then repeat for 5 minutes. These small regular rituals improve not only digestive comfort, but also day-to-day calm.

Bloating isn’t inevitable. It’s a sign of an overall digestive imbalance, influenced by meal pace, microbiome health, eating habits and stress. By gradually working on these levers (slowing down at meals, adjusting portions, supporting the microbiome, moving, etc.), you can get back to a lighter belly, day after day. Well-supported digestion is a real driver of everyday wellbeing.