HEARTBURN FIX (CALCIUM CARBONATE) TABLET, CHEWABLE [GENEXA INC.] Home HEARTBURN FIX (CALCIUM CARBONATE) TABLET, CHEWABLE [GENEXA INC.] HEARTBURN FIX (CALCIUM CARBONATE) TABLET, CHEWABLE [GENEXA INC.] PDF | XML NDC 69676-0002-4 Set ID b90b23fc-e25f-4c36-be67-358b5cad1d50 Generic Name Product Class Product Number Application Number PART331 Related Drugs Search DailyMed Drugs