Alka-Seltzer, Antacid, Original, Effervescent Tablets

In Each Tablet Other Information: Each Tablet Contains: sodium 504 mg Phenylketonurics: Contains Phenylalanine 9 mg per tablet. Store at room temperature. Avoid excessive heat. Alka-Seltzer Lemon Lime in water contains principally the antacid sodium citrate and the analgesic sodium acetylsalicylate