The combination of calcium carbonate and magnesium is commonly found in antacids, which are medicines that provide heartburn relief.
Calcium carbonate with magnesium overdose occurs when someone accidentally or intentionally takes more than the normal or recommended of a substance containing these ingredients.
See also: Calcium carbonate overdose
Calcium carbonate and magnesium.
Calcium carbonate with magnesium is found in many (but not all) antacids, including the following brands: