Fast acting, extra strength heartburn relief has never tasted so smooth. Tums Smoothies antacid travels directly to the source of your heartburn, neutralizing acid on contact. Each Tums Smoothies variety has a delicious flavor and goes to work in seconds. Tums Smoothies, relief so smooth, it's fast! 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.