Feeling that second helping? From the trusted heartburn relief brand for over 90 years, Alka-Seltzer Heartburn+Gas ReliefChews offer antacid + antigas relief of heartburn, gas, and bloating that start working instantly on contact. Our favorite meals sometimes cause our not so favorite symptoms, which is why these antacid chews relieve heartburn, acid indigestion, sour stomach and upset stomach, as well as gas, bloating, pressure, and stuffed feeling. With Alka-Seltzer Heartburn+Gas ReliefChews, relief is always within reach. Conveniently sized for a backpack, purse, gym bag, and more, these on- the-go antacid + antigas chews offer portable, powerful heartburn relief and gas relief. These Heartburn+Gas Relief Chews make sure relief is a breeze with refreshing, tropical fruit flavored tablets that contain active ingredients Calcium carbonate and Simethicone. To use, adults and children 12 years and over fully chew then swallow 1 to 2 chewable tablets as symptoms occur, or as directed by a doctor. Do not exceed more than 6 tablets in a 24-hour period. Adults 60+ do not exceed 4 tablets in 24 hours.