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Ultimate Strength Softgels

Simethicone 500 mg

Ultimate Strength Gas-X is our highest strength simethicone for fast relief of gas, bloating, and discomfort commonly referred to as gas. Now 2x stronger*

*than one Gas-X Maximum Strength (250 mg)

Try the new 20 ct size!

Available in:

Softgel20 ct

Product Details

Frequently Asked Questions

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

  • What makes Gas-X different from other gas relief products?

    Gas-X is the #1 doctor recommended anti-gas/#1 selling OTC gas relief brand in America. It is available in a variety of strengths (Extra, Ultra, Max), count sizes (10ct all the way up to 72ct), flavors, and formats (softgels & tablets).

  • 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.

  • 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.

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How It Works

softgelGas-X works fast to relieve your symptoms of gas and bloating.

moleculesThe active ingredient in Gas-X, simethicone, is a gas relief agent.

bubblesSimethicone helps break up the gas bubbles in your digestive tract.

How Gas-X Works

More Gas-X Products

Gas-X

Ultra Strength Softgels

Simethicone 180 mg

 

Gas-X

Maximum Strength Softgels

Simethicone 250 mg

 

Gas-X

Extra Strength Softgels

Simethicone 125 mg

 

Gas-X

Extra Strength Chewables

Simethicone 125 mg

 

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Save $1 On Your Next Gas-X Purchase.

It just got easier to find relief with Gas-X.

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