Most stomach gas comes from two sources: air you swallow and food that ferments in your gut. That means the fastest way to reduce gas is to change how you eat and what you eat. Beyond diet, specific body positions, over-the-counter products, and natural remedies can help move trapped gas out or prevent it from forming in the first place.
Why Gas Builds Up
Your digestive system produces gas every single day. Some of it is air you swallow while eating, drinking, or even talking. The rest is produced by bacteria in your large intestine as they break down carbohydrates your small intestine couldn’t fully digest. Both sources are normal, but when the volume increases or gas gets trapped, you feel bloating, pressure, cramping, or the need to belch and pass gas more than usual.
The balance between these two sources matters because they respond to different fixes. Swallowed air tends to cause upper belly discomfort and belching. Bacterial fermentation causes lower belly bloating and flatulence. Knowing which one is driving your symptoms helps you pick the right strategy.
Cut Down on Swallowed Air
Every time you gulp food or drink quickly, you take in extra air. Chewing gum, smoking, drinking through a straw, and wearing loose-fitting dentures all increase air swallowing too. Carbonated drinks like soda and beer introduce gas directly into your stomach on top of what you’re already swallowing.
The simplest fix is slowing down at meals. Chew each bite thoroughly and swallow it completely before taking the next one. Eating in a rush, talking while chewing, or washing food down with big sips of a fizzy drink all compound the problem. If you’re a habitual gum chewer, cutting back for a week is an easy experiment to see if it makes a difference.
Foods That Produce the Most Gas
Certain carbohydrates are notorious for producing gas because they pass through your small intestine undigested and feed bacteria in your colon. These fall into a few major categories, often grouped under the term FODMAPs.
Fructans and GOS (found in vegetables, grains, and legumes): Garlic, onion, leek, artichoke, and spring onion are especially rich in fructans. So are wholemeal bread, rye bread, wheat pasta, and wheat-based muesli. Legumes like red kidney beans, split peas, baked beans, and falafel are high in GOS, another fermentable sugar. Cashews and pistachios also contain significant amounts.
Polyols (sugar alcohols in fruit and sugar-free products): Apples, cherries, peaches, plums, and pears are high in sorbitol. Mushrooms and celery are high in mannitol. Sugar-free candies and gum often contain xylitol or erythritol, which are polyols that go straight to your colon and ferment.
You don’t need to avoid all of these permanently. The practical approach is to pull back on the biggest offenders for two to three weeks, then reintroduce them one at a time to find your personal triggers. Most people discover that a handful of specific foods cause the bulk of their problems.
Dairy and Lactase Supplements
If gas hits within a couple of hours after milk, cheese, or ice cream, you may not be producing enough of the enzyme that breaks down lactose. Lactase supplements taken with the first bite of dairy can bridge that gap. Standard-strength products contain around 3,000 FCC units per tablet (typically taken as three tablets), while fast-acting versions pack about 9,000 FCC units into a single tablet. The key is timing: the enzyme needs to be in your stomach when the dairy arrives, not 30 minutes later.
Over-the-Counter Gas Remedies
Two common products sit on pharmacy shelves, and they work in completely different ways. Simethicone (sold as Gas-X) is an anti-foaming agent that breaks up trapped gas bubbles in your stomach and intestines, making them easier to pass. It works on gas that’s already there. Alpha-galactosidase (sold as Beano) is a digestive enzyme that helps break down the complex carbohydrates in beans, vegetables, and grains before bacteria can ferment them. It works on gas that hasn’t formed yet.
Because their mechanisms differ, one may help where the other doesn’t. If bloating hits after a bean-heavy meal, an enzyme taken with the first bite is the better match. If you feel pressure from trapped bubbles regardless of what you ate, simethicone is more logical. Some people benefit from trying both.
Peppermint and Ginger
Peppermint relaxes the smooth muscles lining your digestive tract. Two compounds in the plant, menthol and a related molecule, calm intestinal contractions that can trap gas and cause cramping. Peppermint oil supplements have shown benefit for people with irritable bowel syndrome specifically. One caution: peppermint also relaxes the valve between your stomach and esophagus, which can worsen heartburn. If you’re prone to acid reflux, look for enteric-coated capsules that dissolve in the intestine rather than the stomach.
Ginger works through a different pathway. The active compounds in ginger root prevent and relieve gas in the upper digestive system and help slow digestion in a way that reduces nausea and bloating. Clinical research supports around 1,500 milligrams of ginger root supplement per day, split into two doses. Ginger tea or fresh ginger in meals can help too, though the dose is harder to measure. Both peppermint and ginger have solid evidence behind them, but individual responses vary.
Probiotics for Chronic Gas
If gas is a daily problem rather than an occasional nuisance, the bacterial population in your gut may be part of the issue. Certain probiotic strains can shift that balance. A large meta-analysis published in The Lancet’s eClinicalMedicine found that Bifidobacterium infantis 35624 significantly reduced overall IBS symptom scores, including bloating and pain. Other strains showed meaningful reductions in abdominal pain specifically.
Not all probiotics are interchangeable. The benefits are strain-specific, so a generic “probiotic blend” may not target gas at all. If you want to try this route, look for a product that lists the specific strain (not just the species) on the label, and give it at least four weeks before judging results.
Body Positions That Release Trapped Gas
When gas is already stuck and you need physical relief, certain positions use gravity and gentle abdominal compression to help it move through. These work best done on a yoga mat or soft surface, held for 30 seconds to a few minutes each.
- Knee-to-chest: Lie on your back, bend both knees, and pull your thighs toward your chest with your hands. Tuck your chin in. This compresses the abdomen and is often the fastest way to release trapped gas.
- Child’s pose: Kneel on the floor, sit back onto your heels, and stretch your arms forward with your forehead resting on the ground. Your torso pressing against your thighs creates gentle pressure on the belly.
- Lying twist: Lie flat with arms out to the sides. Bend your knees with feet flat on the floor, then let both knees drop to one side until you feel a stretch across your lower back. Repeat on the other side.
- Deep squat: Stand with feet shoulder-width apart, then lower into a squat as if sitting in a low chair. This position opens the pelvic floor and straightens the path gas needs to travel.
- Happy baby: Lie on your back, lift your knees to the sides of your body, point the soles of your feet toward the ceiling, and grab your feet with your hands. Rocking gently side to side can help.
You can also massage your abdomen in a clockwise direction, moving from the right side across and down the left. This follows the natural path of your colon and encourages gas to move toward the exit.
When Gas Signals Something Else
Occasional gas, even a lot of it, is rarely a sign of anything serious. But persistent gas paired with certain other symptoms can point to conditions like celiac disease, inflammatory bowel disease, or small intestinal bacterial overgrowth. Pay attention if gas comes alongside abdominal pain that doesn’t resolve, unexplained weight loss, blood when you use the bathroom, ongoing diarrhea, fever, or a skin rash. These combinations warrant a conversation with a healthcare provider rather than more dietary tinkering.