For fast relief of your worst heartburn and indigestion, grab a bottle of Rolaids Ultra Strength Tablets and take back control of heartburn. They start working as fast as now* so you?ll be feeling good again. Rolaids Ultra Strength Tablets relieve symptoms related to heartburn, sour stomach, as well as acid indigestion! Rolaids Ultra Strength tablets have 2 heartburn fighting active ingredients - calcium carbonate and magnesium hydroxide, whereas many other antacids products only contain one active ingredient. Rolaids is available in Regular Strength, Extra Strength, Ultra Strength and Advanced Strength tablets, as well as Ultra Strength Softchew forms. *Refers to acid neutralization.