Bloating: What Helps and When Digestive Enzymes Make Sense

In short: what helps bloating most is usually a change in how and what you eat. Slower meals, fewer fizzy drinks, easing into beans gradually. Enzymes work in a targeted way: lactase for dairy problems, alpha-galactosidase for beans and cabbage.

People come to the pharmacy with this every day. “After lunch my belly is like a drum,” “by evening my jeans won’t button,” “give me something for gas.” And almost every time, once we start asking what they ate, the puzzle solves itself.

Why you get bloated: the main causes

Fermentation in the gut. Some carbohydrates are not digested in the small intestine. They travel to the large intestine, where bacteria feast on them. The result: hydrogen, carbon dioxide, methane. This is normal for a healthy gut; some people just make more gas, and some have a gut that is more sensitive to stretching.

Scientists group these carbohydrates under the name FODMAP: lactose from milk, excess fructose from fruit and honey, fructans from wheat, onions and garlic, galacto-oligosaccharides from beans, and polyols such as sorbitol from sugar-free gum.

Swallowed air. Eating on the go, talking while eating, chewing gum, drinking through a straw or drinking fizzy drinks all add air that later has to find a way out.

Constipation. When things move slowly through the gut, fermentation lasts longer and there is more gas. Often, sorting out bowel movements is enough to make the bloating go away too.

Irritable bowel syndrome and gut sensitivity. Some people do not make more gas than others, but their gut reacts to it more strongly. There is also a reflex where, when you feel bloated, the abdominal muscles relax and the diaphragm drops, so the belly literally pushes forward. It is a reflex, and breathing exercises help with it.

Hormones. Many women bloat a few days before their period. It is a normal response to hormonal shifts.

What helps bloating without medication

Start simple. It sounds boring, but this is what works in most cases.

Eat more slowly. Twenty minutes for lunch instead of five. Less air, better digestion, and your brain has time to notice you are full.

Take a walk after meals. Light movement helps gas travel through the gut. Lying on the couch right after a big meal is the worst option.

Drop gum and fizzy drinks. At least for a week, to see the difference.

Add fiber gradually. A sudden switch to “clean eating” with a bowl of beans and cabbage every day is almost guaranteed to bloat you. Your gut needs 2-3 weeks to adapt.

Keep a diary. For a week, write down what you ate and when you bloated. The culprit often shows itself: milk in coffee for one person, an apple snack for another.

A low-FODMAP diet, but not on your own and not forever. When Australian researchers compared it with a typical diet in people with irritable bowel syndrome in 2014, bloating, pain and gas dropped noticeably. But it is a temporary plan for a few weeks, with foods reintroduced one at a time, ideally with a dietitian. Staying on it long term is not a good idea, because gut microbiome diversity suffers.

Enzymes for bloating: when they work and when they don’t

The key rule: the enzyme has to match the food. There is no “enzyme for bloating in general.”

Lactase breaks down milk sugar. If dairy is what bloats you, it really helps, and even the European Food Safety Authority, EFSA, recognizes this. We covered dosing in detail in our article on lactase.

Alpha-galactosidase breaks down the carbohydrates in beans and cabbage before bacteria can get to them. In a 2007 Italian study, healthy volunteers ate 420 g of cooked beans. After 1,200 GalU of the enzyme, breath hydrogen and the severity of flatulence were noticeably lower than with placebo. In a 2013 study of 52 children and teenagers with gas, the enzyme reduced the number of days with severe bloating. The studies are small, but the results are consistent.

Digestive enzyme blends (microbial amylase, protease, lipase). For someone with a healthy pancreas, there is little evidence that they relieve bloating. It is a different story when the pancreas truly does not make enough enzymes: then a doctor prescribes pancreatin medicines at a precise dose, and that is no longer about supplements.

Bromelain and papain break down proteins. There is no convincing data for bloating. More about bromelain in our separate article.

A quick word on the rules. Ukraine’s Ministry of Health Order No. 203 allows alpha-galactosidase and lactase in dietary supplements, plus amylase, protease and lipase only of microbial or plant origin. So pork pancreatin cannot be in a supplement; it is only found in medicines. If a label promises to “cure gastritis” or “normalize pancreas function,” that is already a violation.

On probiotics: in 2023, the American Gastroenterological Association stated plainly that it does not recommend them for treating bloating. There is not enough evidence.

What to take for bloating: pharmacy options

This is one of the most common questions, so here is a quick run through what people usually ask for at the counter.

Simethicone. This medicine makes small gas bubbles merge into larger ones so they pass more easily. It is not absorbed and is considered safe, but evidence for a strong effect on bloating is limited. It helps some people and not others.

Activated charcoal. Popular, but the data are mixed. The key catch: it binds not only gas but also medicines, so leave at least 2 hours between charcoal and any tablets.

Peppermint. Peppermint oil capsules have the best data among herbal options: a 2019 meta-analysis found they reduce pain and overall symptoms in irritable bowel syndrome. Mint or fennel tea is fine too and is a pleasant ritual, but do not expect a cup to work like the capsules. Peppermint can make heartburn worse.

If you need pharmacy remedies more than once or twice a week, it is a reason to look for the cause with your doctor.

When bloating needs a doctor

Bloating on its own is rarely dangerous. But some signs mean you should not experiment with enzymes and diets and should see your family doctor or a gastroenterologist instead:

unexplained weight loss; blood in the stool or black, tarry stools; vomiting; fever; anemia on blood tests; symptoms that wake you at night; bloating that starts for the first time after age 50; bowel cancer, celiac disease or inflammatory bowel disease in the family.

A separate note for women. The UK’s NICE advises women, especially over 50, to see a doctor if their belly is bloated persistently or frequently, more than 12 days a month. Most often the cause turns out to be harmless, but a doctor may order a CA-125 test and an ultrasound to rule out ovarian problems.

A doctor may suggest a celiac test, a breath test for lactose or fructose intolerance, or one for bacterial overgrowth in the small intestine. These are simple tests, and they often answer the question “why am I bloated” better than any bottle off the shelf.

Frequently asked questions

Conclusions

Bloating is mostly about food and habits: beans, cabbage, milk, onions, fruit, gum, fizzy drinks, eating on the run. A food diary and slower meals solve most cases.

Enzymes help when they are matched to a specific food: lactase for dairy, alpha-galactosidase for beans and cabbage. All-purpose blends do little for healthy people, and experts do not recommend probiotics for bloating.

Most importantly: if bloating comes with weight loss, blood, vomiting or fever, or starts for the first time after 50, do not treat it yourself. That is a reason to see a doctor.

About the Author

Kateryna Braitenko is a Ukrainian journalist and author specializing in writing articles for pharmaceutical publications. She holds a philology degree from Donetsk National University and a pharmaceutical degree from the National Pharmaceutical University in Kharkiv. She lives in Kyiv and continues her career, covering relevant issues in medicine and pharmaceuticals.