Let's Kick Acid
Heartburn and indigestion relief
without the junk.
Get Relief now
better for your stomach
Same Effectiveness (Without the Junk)
Wonderbelly Antacid™ is real medicine that fights heartburn, acid indigestion and an upset belly with the same effective, active ingredient as the leading brand but without all the unnecessary additives that have no business being in your medicine. It's time to feel good about feelin’ good.
start feelin’ good
Us vs. Them
Trust your gut and try us, risk free.

If you’re not satisfied with our product, simply contact us and we’ll give you a full, 100% hassle-free refund.

Three Belly Quelling Flavors!
Strawberry Milkshake
Strawberry Milkshake
Rated 5.0 stars
17 Reviews

Strawberries blended with sweet vanilla ice cream.

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Citrus Mint
Citrus Mint
Rated 5.0 stars
10 Reviews

Crisp, fresh lemony goodness with a hint of cool mint.

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Watermelon Mint
Watermelon Mint
Rated 5.0 stars
15 Reviews

Juicy, ripe watermelon fused with minty freshness.

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No Plastic. Just Happy Bellies.

From our packaging to our shipping methods, we put the planet first every step of the way. Join us and start making your medicine cabinet 100% plastic-free.

Sustainable from start to finish.
Our Bottles

Made of aluminum, 100% plastic-free, and infinitely recyclable.

Our Envelopes

Made from 100% recycled paper, like post-consumer newspapers and catalogs. They are fully recyclable and at-home compostable.

Our Boxes

Made from 100% recycled cardboard material, formed with a starch-based adhesive and printed using soy-based ink.

Our Shipping

Carbon neutral using algorithms to determine the exact cost to offset the emissions from manufacturing & shipping.

Trust the Science.
Meet Wonderbelly’s team of industry-leading medical advisors.
Gail Hecht, MD

Professor of Medicine & Microbiology and former American Gastroenterological Association president

Ronnie Fass, MD

Award-winning GERD researcher and globally recognized top Gastroenterologist

Emeran Mayer, MD, PhD

Pioneering Gastroenterologist & Neuroscientist and Best-Selling Author

What made us trust our gut?