NCIt definition : The carbonic salt of calcium (CaCO3). Calcium carbonate is used therapeutically as
a phosphate buffer in hemodialysis, as an antacid in gastric hyperacidity for temporary
relief of indigestion and heartburn, and as a calcium supplement for preventing and
treating osteoporosis. (NCI04);
Alternative definition : NCI-GLOSS: A form of the mineral calcium that is used to prevent or treat osteoporosis
(a decrease in bone mass and density) and to treat heartburn and upset stomach. It
is also being studied in the prevention of bone problems in people with cancer. It
is a type of dietary supplement.;