A basic aluminum sucrose sulfate complex with gastroprotective activity; inhibits rat pepsin and inhibits pepsin activity in isolated human gastric juice; inhibits pyloric ligation-, indomethacin-, and cysteamine-induced ulcer formation in rats; protective against neutral ethanol and acidified taurocholic acid-induced damage in a rat model of hydrochloric acid-induced gastric mucosal damage at 5,600 mg/animal