Tums contains the active ingredient calcium carbonate. It is an antacid that is approved for acid ingestion, upset stomach, and heartburn. It is available OTC in numerous chewable formulations and ...

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 ...

Psyllium husk 0.6g, calcium (as carbonate) 60mg; per cap; contains potassium. 3.4g of powder in 8oz liquid, or 2 wafers or 5 caps with 8oz liquid 1–3 times daily, or 5 caps plus calcium with 8oz ...