As Reader's Digest explains, the prominent ingredient in Tums is calcium carbonate, also found in chalk. The calcium ...

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

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 ...

Then, top it off with supplements. Common Sources of Calcium: 1 cup of milk or calcium added soy milk=300 mg 1 cup of calcium added juice=350 mg take calcium carbonate (Tums, Caltrate, Oscal, Viactiv, ...