Question

which of the following brand name, over - the - counter products contains calcium carbonate as the active ingredient? turns abreva advil dramamine

Explanation:

Tums is an over - the - counter antacid that contains calcium carbonate as its active ingredient. Abreva is for cold sores, Advil is a pain reliever (ibuprofen), and Dramamine is for motion sickness.

Answer:

A. Tums