Bloating happens when gas builds up in your digestive tract, your body holds onto extra fluid, or the muscles of your abdominal wall tighten in response to gut signals. The good news: most bloating responds to simple changes in how you eat, what you eat, and how you move. Here’s what actually works.
Why You Feel Bloated in the First Place
Your gut produces gas from four sources: swallowed air, chemical reactions during digestion, diffusion from your bloodstream, and bacterial fermentation of food that your small intestine didn’t fully absorb. When that gas gets trapped or produced in excess, your abdomen distends and you feel uncomfortable pressure.
But gas isn’t the only culprit. Excess sodium causes your body to park extra fluid in your tissues, including your belly. And sometimes there’s no actual increase in volume at all. Your abdominal wall muscles can tighten reflexively in response to signals from your gut, redistributing what’s already inside and creating the sensation of fullness even when gas levels are normal. People who are prone to bloating experience significantly more distension and discomfort from the same volume of intestinal gas compared to people who aren’t, which is why two people can eat the same meal and only one walks away feeling like a balloon.
Slow Down When You Eat
One of the simplest fixes is also one of the most overlooked. Swallowing excess air, sometimes called aerophagia, pumps your gut full of gas before digestion even starts. Eating too fast, talking while chewing, using straws, chewing gum, sucking on hard candy, and drinking carbonated beverages all increase the amount of air you swallow.
The fix is straightforward: chew each bite slowly and swallow it completely before taking the next one. Sip from a glass instead of through a straw. Save conversation for after the meal, or at least between bites. These changes feel minor, but for people whose bloating is primarily air-driven, they can make a noticeable difference within days.
Identify Your Food Triggers
Certain carbohydrates are poorly absorbed in the small intestine and end up fermenting in the colon, where bacteria break them down and release gas. These fermentable carbohydrates, often grouped under the term FODMAPs, are the most common dietary trigger for bloating. The main offenders include:
- Dairy (milk, yogurt, ice cream) for people who don’t digest lactose well
- Wheat-based products like bread, cereal, and crackers
- Beans and lentils
- Certain vegetables, particularly onions, garlic, artichokes, and asparagus
- Certain fruits, especially apples, pears, cherries, and peaches
You don’t need to eliminate all of these permanently. The standard approach is to cut them out for two to six weeks, then reintroduce them one category at a time to pinpoint which ones actually bother you. Many people find they’re sensitive to only one or two groups, not all of them.
Fix Your Sodium-Potassium Balance
If your bloating feels more like puffiness than trapped gas, water retention is likely involved. Salt pulls water into your bloodstream, and to keep that blood from getting too concentrated, your body stashes the excess fluid in your tissues, including your abdomen.
Potassium works as a counterbalance, helping your kidneys flush out sodium. Most people eat too much sodium and not enough potassium. During a bloating flare, aiming for under 2,000 mg of sodium per day can help. On the potassium side, adults generally do well near 3,500 to 4,700 mg per day from food. Bananas, potatoes, spinach, and avocados are all rich sources.
Counterintuitively, drinking more water also helps. Your kidneys won’t release excess fluid if you’re under-hydrated, so staying well-hydrated actually reduces water retention rather than making it worse.
Use Movement to Move Gas Through
Physical activity stimulates the muscles of your digestive tract and helps trapped gas pass. Even a 10 to 15 minute walk after a meal can make a difference. For more targeted relief, specific yoga poses work by compressing and releasing the abdomen.
The wind-relieving pose is the most direct option: lie on your back, bend your knees to 90 degrees, and place your hands on your shins. As you inhale, let your belly expand and move your knees slightly away from you. As you exhale, draw your knees into your chest. This compression-and-release cycle helps trapped gas move through. A simple kneeling position (sitting back on your heels) also stimulates the stomach area and can ease bloating after a meal.
Over-the-Counter Options That Work
Simethicone, the active ingredient in products like Gas-X, works by breaking up gas bubbles in your digestive tract so they’re easier to pass. It doesn’t prevent gas from forming, but it can relieve the pressure and distension once it’s there. The typical dose is 40 to 125 mg taken after meals and at bedtime, up to 500 mg per day.
Enzyme supplements containing alpha-galactosidase (sold as Beano) take a different approach. They help your small intestine break down the fermentable carbohydrates in beans, vegetables, and grains before they reach the colon, reducing gas production at the source. These work best when taken with the first bite of a trigger food, not after symptoms start.
Probiotics for Recurring Bloating
If bloating is a regular problem for you, probiotics may help over time. A meta-analysis of randomized controlled trials found that specific probiotic strains significantly reduced bloating and overall symptom severity compared to placebo in people with irritable bowel syndrome. The strain with the strongest individual evidence is Bifidobacterium infantis 35624, which at a dose of 100 million colony-forming units significantly relieved both abdominal pain and bloating in a clinical trial of women with IBS.
Several other strains have also shown benefit for bloating specifically, including Lactobacillus gasseri BNR17 and Lactobacillus plantarum CCFM8610. Across pooled studies, probiotics decreased overall IBS symptom severity scores by a clinically meaningful margin compared to placebo. The key is consistency: probiotics typically need several weeks of daily use before the effects become noticeable, and the benefits tend to be strain-specific, so a product that lists a clinically tested strain is more likely to help than a generic blend.
When Bloating Points to Something Deeper
Chronic, persistent bloating that doesn’t respond to dietary changes can signal an underlying condition. Small intestinal bacterial overgrowth, or SIBO, occurs when bacteria that normally live in the colon colonize the small intestine and ferment food prematurely. It’s diagnosed with a breath test that measures hydrogen and methane gas: a hydrogen rise of 20 parts per million or more within 90 minutes, or a methane level of 10 parts per million or more at any point during the test, is considered positive. SIBO is treatable, usually with a targeted course of antibiotics.
Other conditions that cause chronic bloating include celiac disease, ovarian cysts, and gastroparesis (delayed stomach emptying). Watch for warning signs that your bloating is more than a nuisance: unintentional weight loss, fever, blood in your stool, persistent vomiting, or bloating that gets progressively worse over days or weeks rather than coming and going with meals. Bloating that persists for more than a week or is consistently painful also warrants evaluation.