How Does Calcium Carbonate Neutralize Stomach Acid?

Calcium carbonate is also used to neutralize large amounts of stomach acids. Calcium carbonate is a good antacid because it is alkaline. Thus, it neutralizes highly acidic stomach juices and is used to treat heartburn, acid indigestion and upset stomach.

Reference:

www.nlm.nih.gov

Photo Credit:

livestrong.com source

Further Reading:

Why calcium carbonate rather than calcium hydroxide for neutralizing stomach acid? – http://wiki.answers.com/Q/Why_calcium_carbonate_rather_than_calcium_hydroxide_for_neutralizing_stomach_acid