Bloating and gas improve with a combination of dietary changes, physical activity, and targeted over-the-counter products. Most people can find significant relief without a prescription by identifying their triggers and using a few evidence-based strategies consistently.
Walk After You Eat
One of the simplest and most effective things you can do is take a short walk after meals. Even 10 minutes of casual walking within 10 to 30 minutes of eating helps your digestive system move gas through more efficiently. This isn’t about exercise intensity. A slow stroll around the block works. The movement stimulates the muscles in your intestines that push food and gas along, preventing that heavy, distended feeling that settles in when you sit or lie down after a meal.
Identify Your Trigger Foods
Certain carbohydrates are poorly absorbed in the small intestine and get fermented by gut bacteria, producing gas. These are collectively called FODMAPs, and they include things like onions, garlic, beans, wheat, certain fruits (apples, pears, watermelon), dairy products with lactose, and artificial sweeteners like sorbitol. A low FODMAP elimination diet, where you remove these foods for two to six weeks and then reintroduce them one at a time, reduces symptoms in up to 86% of people, according to research cited by Johns Hopkins Medicine.
You don’t necessarily need to follow a strict elimination protocol. Many people already have a sense of which foods bother them. Keeping a simple food diary for a week or two, noting what you ate and when bloating hit, can reveal patterns quickly. Common culprits include cruciferous vegetables (broccoli, cabbage, Brussels sprouts), carbonated drinks, and sugar-free gum or candy.
Increase Fiber Slowly
Fiber is essential for healthy digestion, but adding too much too fast is one of the most common causes of bloating. Your gut bacteria need time to adjust. Michigan Medicine recommends adding just 5 grams of fiber per day and holding at that level for two weeks before increasing again. For reference, 5 grams is roughly one medium apple or a half cup of cooked lentils. Pair any fiber increase with extra water, since fiber absorbs fluid as it moves through your system. Without enough water, it can actually slow things down and make bloating worse.
Over-the-Counter Gas Relief
Simethicone (the active ingredient in Gas-X and similar products) works by breaking up gas bubbles in your digestive tract so they’re easier to pass. The typical adult dose is 40 to 125 milligrams taken four times a day, after meals and at bedtime, with a maximum of 500 milligrams in 24 hours. It won’t prevent gas from forming, but it can relieve the pressure and discomfort once it’s there.
If beans, lentils, or certain vegetables are your main triggers, an enzyme supplement containing alpha-galactosidase (sold as Beano and similar brands) can help. This enzyme breaks down the complex carbohydrates in those foods before your gut bacteria get the chance to ferment them. The key is timing: take it right before your first bite or within 30 minutes of starting your meal. After that window, the food has already moved past the point where the enzyme can help.
For people with lactose intolerance, a lactase enzyme supplement taken before consuming dairy works on the same principle, breaking down lactose before it reaches the colon where bacteria would otherwise produce gas from it.
Peppermint Oil Capsules
Enteric-coated peppermint oil capsules relax the smooth muscle in your intestinal wall, which can ease bloating, cramping, and the sensation of fullness. In a clinical trial of people with irritable bowel syndrome, 64% of those taking peppermint oil had at least a 50% reduction in total symptom scores after four weeks, compared to 34% on placebo. The enteric coating matters because it prevents the capsule from dissolving in your stomach (which can cause heartburn) and delivers the oil to your intestines where it’s needed.
What Probiotics Can and Can’t Do
Probiotics are widely marketed for bloating, but the evidence is more nuanced than the packaging suggests. One well-studied strain, Bifidobacterium infantis 35624, showed benefits in clinical studies of IBS patients but did not significantly reduce the average severity of bloating in people without a diagnosed condition. It did increase the number of bloating-free days compared to placebo, which suggests a modest benefit for some people. The broader takeaway is that probiotics may help, but results vary by strain and by individual. If you try one, give it at least four weeks before deciding whether it’s working.
Eating Habits That Reduce Swallowed Air
A surprising amount of bloating comes not from food fermentation but from swallowed air. You take in extra air when you eat quickly, talk while chewing, drink through a straw, chew gum, or sip carbonated beverages. Slowing down at meals and chewing thoroughly gives your stomach more time to process food and reduces the volume of air entering your digestive tract. If you notice bloating even with bland, low-FODMAP foods, swallowed air is a likely contributor.
Eating smaller, more frequent meals rather than large ones also helps. A large meal stretches the stomach and can trigger a sensation of bloating even before any gas is produced. This is partly mechanical: your stomach simply has less room, and the pressure signals discomfort.
Signs That Need Medical Attention
Most bloating is uncomfortable but harmless. However, bloating that gets progressively worse over time, persists for more than a week, or comes with pain that doesn’t go away deserves a medical evaluation. The same goes for bloating accompanied by fever, vomiting, blood in your stool, unintentional weight loss, or signs of anemia like unusual fatigue or pallor. These can signal conditions ranging from bacterial overgrowth in the small intestine to more serious digestive disorders that require specific treatment beyond lifestyle changes.