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A better you from the inside out.

Digestive health is a crucial part of overall good health. Visit our sister brands for more ways to improve your digestive health.

The easy and convenient way to promote and maintain Methylcellulose fiber therapy for irregularity.

All-day, all-night heartburn relief with one pill.**

The fiber supplement that’s clear and taste-free.

Trusted treatment for constipation for 100 years.

The only FDA-approved, over-the-counter weight-loss aid.

Fast-acting, extra-strength heartburn relief.

For fast-acting, long-lasting heartburn relief.

A better you from the inside out.

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A better you from the inside out.

Digestive health is a crucial part of overall good health. Visit our sister brands for more ways to improve your digestive health.

The easy and convenient way to promote and maintain Methylcellulose fiber therapy for irregularity.

All-day, all-night heartburn relief with one pill.**

The fiber supplement that’s clear and taste-free.

Trusted treatment for constipation for 100 years.

The only FDA-approved, over-the-counter weight-loss aid.

Fast-acting, extra-strength heartburn relief.

For fast-acting, long-lasting heartburn relief.

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This website is intended for residents of the United States only. Use of this website is subject to our Terms of Use. **Use as directed for 14 days to treat frequent heartburn (occurring two or more days per week). May take 1-4 days for full effect. Do not take for more than 14 days or more often than every 4 months, unless directed by a doctor. Not intended for immediate relief. Prevacid® is a registered trademark of Takeda Pharmaceuticals North America, Inc. and is used under license.

Gas-X Extra Strength Chewables

Gas-X Extra Strength Softgels

Gas-X Ultra Strength Softgels

Gas-X Maximum Strength Softgels