Other Information: Sodium content: 54 mg/tablet; store at room temperature; Misc: Doctor recommended. For relief of upset stomach including nausea. Prompt relief. No aspirin. No salicylates. With Electrolyte-S-10 (Electrolyte-S10 is Alva-Amco's trade name for sodium citrate dihydrate). 4 minute formula (in laboratory tests, Nauzene reaches 99% of its acid neutralizing ability within 4 minutes). Contents sealed (each round pink Nauzene chewable tablet bears the identifying mark ALVA and is sealed in a clear plastic blister with a foil backing). You may report serious side effects to the phone number provided under Questions? below. Gluten free. www.nauzene.com.