Calcium carbonate is in eggshells, seashells, a rock called marble, and in antacid tablets like Tums and Rolaids. In this activity, you can use a common liquid to detect calcium carbonate! Cover your ...

The most common antacids are primarily made with calcium carbonate, magnesium hydroxide or aluminum hydroxide. They often ...

Medically reviewed by Laura Young You can find relief by making lifestyle changes or by taking certain medications if you have heartburn during pregnancy. Heartburn can happen as your uterus presses ...

Calcium (as carbonate) 500mg; chew tabs; assorted flavors. Calcium blocks absorption of tetracyclines. May affect absorption of other drugs. Absorption blocked by corticosteroids, foods such as ...