Alka-Seltzer is an over-the-counter medication that contains three active ingredients – aspirin, citric acid, and baking soda ...
Since 1931, Alka-Seltzer has been the fizzy medicine of choice for upset stomachs, indigestion, headaches, and more. While it ...
Alka-Seltzer is a common antacid used to relieve an upset stomach ... The carbon dioxide forms when two key ingredients in these tablets, citric acid and baking soda (sodium bicarbonate), dissolve in ...