Worried about heartburn? Get ahead of it with New Zantac 360° Maximum Strength tablets. Zantac 360° starts working in as little as 15 minutes and lasts for up to 12 hours.* Our new formula contains the #1 doctor recommended ingredient approved to both prevent and relieve heartburn.** Enjoy your favorite foods without the discomfort of heartburn associated with acid indigestion and sour stomach. This all-in-one solution prevents heartburn starting in as little as 15 minutes.* Keep Zantac 360 on hand so you always have heartburn relief and prevention for when you need it most. Use as directed. *Refers to acid control. Acid control does not correlate with symptom relief **Among OTC H2 blockers. Use as directed.