Once ingested, it doesn't take long for Tums to start working. The medicine contains the active ingredient calcium carbonate ...

Tums are safe to take during pregnancy. In fact, your first line of defense should probably be these chewable antacids made ...

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 ...

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 ...