GAS RELIEF EXTRA STRENGTH (SIMETHICONE) TABLET, CHEWABLE [GREENBRIER INTERNATIONAL, INC.] Home GAS RELIEF EXTRA STRENGTH (SIMETHICONE) TABLET, CHEWABLE [GREENBRIER INTERNATIONAL, INC.] GAS RELIEF EXTRA STRENGTH (SIMETHICONE) TABLET, CHEWABLE [GREENBRIER INTERNATIONAL, INC.] PDF | XML NDC 33992-0608-4 Set ID 627aaf5a-969e-47bc-ac6c-44663914170f Generic Name Product Class Product Number Application Number PART332 Related Drugs Search DailyMed Drugs