A white plastic bottle of Genexa Clean Medicine Antacid with a bright blue cap and blue accents on the label, shown against a plain white background.
Two Genexa Antacid supplement bottles shown side by side on a light gray background, with text reading 'Same clean medicine' above the left bottle and 'New look' above the right bottle.
An informational graphic titled 'What's inside' for a calcium carbonate product. It lists benefits such as heartburn relief, acid indigestion, sour stomach, and upset stomach associated with these symptoms.
A hand holds a Genexa Antacid bottle against a light background with marketing text stating '0% artificial additives' and bullet points about no artificial preservatives, allergens, high fructose corn syrup, sweeteners, or dyes.
A smiling man and woman jogging together outdoors in a park, with a blue text banner overlay at the bottom left reading 'Effective heartburn relief for ages 12+'. The man wears a blue t-shirt and dark shorts, and the woman wears a light gray t-shirt, green leggings, and a beige cap.
Promotional comparison graphic for Genexa antacid tablets. On the left is a white bottle with a blue cap labeled Genexa Maximum Strength Antacid, with green checkmarks and red X marks next to text saying 'No artificial sweeteners,' 'No artificial preservatives,' and 'No artificial additives.
A promotional graphic with the headline 'Doctors are all in on clean ingredients' and a quote about cleaner formulas. A circular photo of Dr.
A hand holding two white tablets on a light background, with certification logos for Non GMO Project Verified, Certified Vegan, and Certified Gluten Free, and the text 'It's what's on the inside that counts'.
A flat graphic of a product Drug Facts label for Genexa Antacid Maximum Strength, with black text on a white label and a thin blue horizontal stripe at the bottom, set against a light gray background.
Three white plastic bottles of Genexa Clean Medicine Antacid Maximum Strength with blue caps, arranged in a fan shape on a white background.
A white plastic bottle of Genexa Clean Medicine Antacid with a bright blue cap and blue accents on the label, shown against a plain white background.
Two Genexa Antacid supplement bottles shown side by side on a light gray background, with text reading 'Same clean medicine' above the left bottle and 'New look' above the right bottle.
An informational graphic titled 'What's inside' for a calcium carbonate product. It lists benefits such as heartburn relief, acid indigestion, sour stomach, and upset stomach associated with these symptoms.
A hand holds a Genexa Antacid bottle against a light background with marketing text stating '0% artificial additives' and bullet points about no artificial preservatives, allergens, high fructose corn syrup, sweeteners, or dyes.
A smiling man and woman jogging together outdoors in a park, with a blue text banner overlay at the bottom left reading 'Effective heartburn relief for ages 12+'. The man wears a blue t-shirt and dark shorts, and the woman wears a light gray t-shirt, green leggings, and a beige cap.
Promotional comparison graphic for Genexa antacid tablets. On the left is a white bottle with a blue cap labeled Genexa Maximum Strength Antacid, with green checkmarks and red X marks next to text saying 'No artificial sweeteners,' 'No artificial preservatives,' and 'No artificial additives.
A promotional graphic with the headline 'Doctors are all in on clean ingredients' and a quote about cleaner formulas. A circular photo of Dr.
A hand holding two white tablets on a light background, with certification logos for Non GMO Project Verified, Certified Vegan, and Certified Gluten Free, and the text 'It's what's on the inside that counts'.
A flat graphic of a product Drug Facts label for Genexa Antacid Maximum Strength, with black text on a white label and a thin blue horizontal stripe at the bottom, set against a light gray background.
Three white plastic bottles of Genexa Clean Medicine Antacid Maximum Strength with blue caps, arranged in a fan shape on a white background.

Antacid Maximum Strength

Calcium Carbonate

Antacid
$13.99
Best for
Adults and children 12+ who need maximum-strength relief from heartburn, acid indigestion, sour stomach, or associated upset stomach.
Key facts
Active ingredient
Calcium Carbonate
Age range
Adults
Description

Genexa Antacid Maximum Strength is real medicine, made clean - providing maximum strength relief from heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms.
At a Glance
  • Made with the same active ingredient as TUMS® Ultra Strength 1000 Assorted Berries but with no artificial inactive ingredients.
  • Portable on-the-go bottle.
Directions

Adults and children 12 years of age and older Chew 2-3 tablets as symptoms occur, or as directed by a doctor

Ingredients
  • Calcium Carbonate
  • Organic Beet Root
  • Organic Carnauba Wax
  • Organic Dextrose
  • Organic Flavors
  • Organic Maltodextrin
  • Organic Rice Bran Extract

This website contains current product information and may differ from the information on the product packaging you may have.
Relief From Heartburn, Acid Indigestion, and Upset Stomach
Made For Adults
Certifications Vegan, Non-GMO, Gluten Free, and B Corporation
Relief From Heartburn, Acid Indigestion, and Upset Stomach
Made For Adults
Certifications Vegan, Non-GMO, Gluten Free, and B Corporation

Genexa Antacid Maximum Strength is real medicine, made clean - providing maximum strength relief from heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms. Each chewable tablet has the same active ingredient you need (calcium carbonate), but without the artificial ones you don’t (artificial dyes, common allergens, talc). We only use ingredients people deserve to make the first gluten-free, non-GMO, certified vegan medicines to help you feel better.