According to Heartburn.com, antacid tablets work by weakening the acid in the stomach to prevent and relieve heartburn symptoms. Antacids contain ingredients, such as calcium carbonate and sodium bicarbonate, that quickl... More »

Some active ingredients found in different antacid tablets are aluminum hydroxide, magnesium hydroxide and calcium carbonate. Although these antacids are effective, the strongest active ingredient used in an antacid is c... More »

Antacid tablets dissolve through ionic dissociation in polar solvents such as water and stomach acid. The resulting alkaline ions react with stomach acid, neutralizing it. More »

Maalox antacid is used to relieve symptoms of indigestion, heartburn, gastroesophageal reflux disease, stomach ulcers and duodenal ulcers, says About.com. Maalox helps relieve mild-to-moderate heartburn symptoms, reports... More »

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Indigestion tablets, also called antacids, work by neutralizing strong acids in the stomach. Some acids produced by the stomach are essential for proper digestion, but too much acid production causes abdominal discomfort... More »

Zantac is not an antacid, but it is used to prevent and treat heartburn with acid indigestion, according to WebMD. It is an H2 antagonist or histamine H2 blocker medication that is prescribed for the treatment of gastroe... More »

Sodium bicarbonate, the active ingredient in baking soda, works as a temporary antacid to reduce stomach acid and reduce heartburn, upset stomach and indigestion, according to WebMD. With a doctor’s prescription, patient... More »