Who knew Alka-Seltzer could do more than just relieve pain? There are many myths about this cheap tablet, but there are also many things that are facts. Alka-Seltzer has been arou ...

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 ...