A bloated stomach usually responds well to simple over-the-counter remedies, dietary changes, or both. The right option depends on what’s triggering your bloating: excess gas, trouble digesting certain foods, or a sluggish gut. Here’s a practical breakdown of what actually works.
Simethicone for Trapped Gas
If your bloating feels like pressure from gas that won’t move, simethicone is the most widely available first-line option. It works by breaking up gas bubbles in your digestive tract so they’re easier to pass. You’ll find it sold as Gas-X, Mylicon, and store-brand equivalents in capsules, chewable tablets, and liquid forms.
The typical adult dose is 40 to 125 mg taken four times a day, after meals and at bedtime. Don’t exceed 500 mg in 24 hours. Simethicone stays in your gut and isn’t absorbed into your bloodstream, which makes side effects extremely rare. It’s a good choice when you need quick relief from a single episode of gassy bloating, though it won’t prevent the problem from happening again.
Enzyme Supplements That Prevent Bloating
Sometimes the issue isn’t gas you already have but food your body can’t break down properly. Two enzyme supplements target the most common culprits.
For Beans, Lentils, and High-Fiber Vegetables
Alpha-galactosidase (sold as Beano) breaks down the complex carbohydrates in beans, broccoli, cabbage, and similar foods before they reach your large intestine, where bacteria would otherwise ferment them into gas. Take one capsule right before your first bite, or within 30 minutes of starting the meal. This is a preventive tool, not a rescue remedy. It won’t help much after bloating has already set in.
For Dairy
If milk, cheese, or ice cream leaves you bloated, you likely aren’t producing enough of the enzyme that breaks down lactose. Lactase supplements (like Lactaid) fill the gap. They come in doses ranging from 3,000 to 9,000 FCC units per tablet. Take them with your first bite of dairy. If you’re still eating dairy 30 to 45 minutes later, you may need a second dose. Start with a higher-strength tablet (9,000 units) if you’re eating a large amount of dairy in one sitting.
Peppermint Oil Capsules
Peppermint oil relaxes the muscles lining your intestines, which can ease the crampy, tight feeling that often accompanies bloating. The key is to use enteric-coated capsules, which dissolve in your intestine rather than your stomach. Regular peppermint tea may soothe mildly, but the capsule form delivers a much more concentrated dose where it’s needed.
The standard adult dose is one capsule three times a day, taken 30 to 60 minutes before eating. You can increase to two capsules three times a day if one isn’t enough. Peppermint oil is particularly useful for people with recurring bloating tied to irritable bowel syndrome, though it helps occasional bloating too.
Probiotics: Modest Benefits, Strain Matters
Not all probiotics help with bloating. The strain with the most targeted evidence is Bifidobacterium infantis 35624 (sold as Alflorex or Align), studied at a dose of one billion colony-forming units per day. In clinical trials on IBS patients, this strain increased the number of bloating-free days compared to placebo. However, a study in people without a formal IBS diagnosis found less impressive results, partly because their symptoms were milder to begin with and partly because the placebo effect was strong.
If you want to try a probiotic for bloating, look for that specific strain on the label. Generic “probiotic blend” products are a gamble. Give it at least four weeks before deciding whether it’s working.
Why Activated Charcoal Isn’t a Great Choice
Activated charcoal gets a lot of attention online, but the evidence for bloating is weak. It works by binding to substances in your stomach, which is why hospitals use it for poisoning. The problem is that it binds indiscriminately. It can block absorption of vitamins, minerals, and any medications you’re taking. Clinical results for gas and bloating specifically are conflicting, and the Cleveland Clinic notes that evidence supporting its use outside of hospital settings is limited. If you’re on any other medication, it’s especially worth skipping.
Dietary Changes That Make a Real Difference
Supplements and medications treat episodes, but adjusting what you eat can reduce how often bloating happens in the first place. The most effective dietary approach is a low-FODMAP diet, which temporarily removes types of carbohydrates that ferment easily in the gut: certain fruits, wheat, onions, garlic, legumes, and some dairy products. Research from Johns Hopkins reports that it reduces symptoms in up to 86% of people. It’s designed as a short-term elimination phase (usually two to six weeks), followed by a structured reintroduction so you can identify your personal triggers without unnecessarily restricting your diet long-term.
Even without a full FODMAP protocol, a few simple habits help. Eating slowly reduces the amount of air you swallow. Smaller, more frequent meals put less pressure on your digestive system at once. Cutting back on carbonated drinks eliminates a direct source of gas. And cooking vegetables rather than eating them raw makes their fiber easier to break down.
Prescription Options for Persistent Bloating
If over-the-counter options and dietary changes haven’t made a dent after several weeks, a doctor may consider a short course of a gut-targeted antibiotic. One option is prescribed specifically for irritable bowel syndrome with diarrhea, taken three times a day for 14 days. It works by reducing the bacterial overgrowth in the small intestine that can drive chronic bloating. This isn’t something you’d take for occasional discomfort after a big meal. It’s reserved for people whose bloating is frequent, disruptive, and hasn’t responded to simpler measures.
When Bloating Signals Something More Serious
Most bloating is harmless and temporary. But certain patterns deserve medical attention. See a provider if your bloating gets progressively worse over days or weeks, persists for more than a week without improvement, or is persistently painful rather than just uncomfortable. Alarm symptoms that warrant a prompt visit include unintentional weight loss, fever, vomiting, rectal bleeding, signs of anemia (unusual fatigue, pale skin), or a significant change in bowel habits like new diarrhea or constipation that doesn’t resolve. These don’t necessarily mean something serious is wrong, but they do mean the cause needs to be identified rather than managed with over-the-counter remedies alone.