Alka-Seltzer Original Effervescent Tablets - 24 CT

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 Anhydrous citric acid / Antacid aspirin (NSAID) / Analgesic. Sodium bicarbonate / Antacid. Fast Relief of: Heartburn; upset stomach; acid indigestion with headache; body aches. Made in Mexico.