Doctor recommended. With electrolyte-S10 (Alva-Amco trade name for sodium citrate dihydrate is electrolyte-S10). For relief of upset stomach including nausea. No aspirin or salicylates. No medicinal flavor. No bitter aftertaste. 4 minute formula (In laboratory tests, Nauzene reaches 99% of its acid neutralizing ability within 4 minutes). Great tasting. For the whole family. No chalky taste. Use only with enclosed measuring cup. Quality national brand. Sodium content 193 mg/tablespoon (15 ml).