TUMS Ultra Strength Chewable Antacid Tablets go to work in seconds by starting to neutralize acid on contact to bring fast and powerful ultra strength, chewable heartburn relief, with double the acid fighting power per tablet as TUMS Regular Strength. When symptoms occur, chew and swallow two to three ultra strength tablets, depending on the severity of your acid indigestion. Featuring the active ingredient calcium carbonate, these antacids provide heartburn, acid indigestion and sour stomach relief, as well as upset stomach relief associated with these symptoms. TUMS antacid tablets are the #1 recommended adult antacid brand by doctors, pharmacists and Ob-Gyns. As America's #1 antacid and trusted as a heartburn medicine for 90 years, TUMS is fully supported with a satisfaction guarantee. These calcium carbonate tablets are gluten free and kosher, with an active ingredient that can be found in nature. Packaged in 12 rolls of 12 tablets each, this heartburn and acid indigestion relief medicine is convenient to keep in your car or office for whenever heartburn strikes. Choose TUMS Ultra Strength 1000 mg antacid tablets for fast acting heartburn relief, at home or on the go. Satisfaction Guarantee If for any reason you are not satisfied with any GSK Consumer Healthcare product, GSK Consumer Healthcare will provide you with a reimbursement within 45 days of the date of purchase. Please note that because GSK is unable to control the quality of our products sold by unauthorized sellers, the Guarantee is not available for products purchased from unauthorized sellers due to potential quality issues outside GSK's control. Please contact GSK Consumer Healthcare directly for more information.