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Fast and Effective

doctor recommended

Doctor Recommended

Number 1 Dr recommended

#1 OTC Brand*

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In every dose of Gas-X, you’ll find the fast-acting power of simethicone, the ingredient doctors recommend most to reduce gas and bloating symptoms.

Gas-X vs. Antacids

Did you know that antacids don’t treat gas pain? Compare Gas-X and antacids to find the best solution for your symptoms.

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Frequently Asked Questions

You’ve got questions. We’ve got answers. Check out our FAQs page.

  • What is the active ingredient in Gas-X?

    The active ingredient in Gas-X is simethicone. Simethicone is the #1 doctor-recommended OTC ingredient for fast gas relief – it helps break up gas bubbles in your stomach and intestines. Once this trapped gas is broken down, your body can then get rid of the gas naturally.

  • How fast does Gas-X work?

    Everyone’s biochemistry is a little different, so speed of gas relief may vary by person. But, in general, Gas-X relieves pressure, bloating, fullness and discomfort caused by excess stomach and intestinal gas in minutes. If you have prolonged discomfort, it’s best to consult with your doctor, just in case.

  • How often can you take Gas-X?

    Gas-X is available in different strengths of the active ingredient, simethicone and therefore it depends on which Gas-X product you prefer to use. Click here to choose the product you’re interested in, then view the usage directions on that product page.

  • Does Gas-X cause constipation?

    Some individuals may experience gastrointestinal symptoms such as constipation. If you experience constipation, stop using the product and consult with your doctor to determine if Gas-X is appropriate for your use.

  • Can I take Gas-X?

    If you are uncertain if Gas-X is appropriate for you, please speak to your doctor or a pharmacist. Simethicone, the active ingredient in Gas-X, works fast, without being absorbed into the bloodstream. Please use Gas-X products only as directed.

  • What symptoms is Gas-X indicated for?

    Gas-X relieves the pressure, abdominal bloating, and discomfort commonly referred to as gas.

*Among leading brands