Label: MAXIMUM STRENGTH CALCIUM CARBONATE 1000MG- calcium carbonate chewable tablets tablet, chewable

  • NDC Code(s): 51316-540-66, 51316-540-75
  • Packager: CVS HEALTH CORP
  • Category: HUMAN OTC DRUG LABEL
  • DEA Schedule: None

Drug Label Information

Updated June 9, 2026

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  • SPL UNCLASSIFIED SECTION

    Drug Facts

  • ACTIVE INGREDIENT

    Active ingredient (per tablet)

    Calcium Carbonate USP 1000 mg

  • PURPOSE

    Purpose

    Antacid

  • INDICATIONS & USAGE

    Uses relieves

    • heartburn
    • acid indigestion
    • sour stomach
    • upset stomach associated with these symptoms
  • WARNINGS

    Warnings

  • ASK DOCTOR/PHARMACIST

    Ask a doctor or pharmacist before use if you are presently taking a prescription drug. Antacids may interact with certain prescription drugs.

  • WHEN USING

    When using this product

    • do not take more than 7 tablets in 24 hours
    • if pregnant do not take more than 5 tablets in 24 hours
    • do not use the maximum dosage for more than 2 weeks, except under the advice and supervision of a doctor
  • KEEP OUT OF REACH OF CHILDREN

    Keep out of reach of children.

  • DOSAGE & ADMINISTRATION

    Directions

    • adults and children 12 years of age and over: chew 2-3 tablets as symptoms occur, or as directed by a doctor. Chew or crush tablets completely before swallowing.
    • do not take for symptoms that persist for more than 2 weeks unless advised by a doctor.
  • OTHER SAFETY INFORMATION

    Other information

    • each tablet contains: elemental calcium 400 mg, magnesium 12 mg
    • store at room temperature. Keep the container tightly closed.
  • INACTIVE INGREDIENT

    Inactive ingredients adipic acid, corn starch, dextrose anhydrous, FD&C blue no. 1 Al lake, FD&C red 40 Al lake, flavors, magnesium stearate, maltodextrin, sucralose

  • QUESTIONS

    Questions or comments? Call 1-877-290-4008

  • PRINCIPAL DISPLAY PANEL

    640R 160ct

    640R_160ct_LBL

    640R 72ct

    CVS 640R 72ct

  • INGREDIENTS AND APPEARANCE
    MAXIMUM STRENGTH CALCIUM CARBONATE 1000MG 
    calcium carbonate chewable tablets tablet, chewable
    Product Information
    Product TypeHUMAN OTC DRUGItem Code (Source)NDC:51316-540
    Route of AdministrationORAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    CALCIUM CARBONATE (UNII: H0G9379FGK) (CALCIUM CATION - UNII:2M83C4R6ZB) CALCIUM CARBONATE1000 mg
    Inactive Ingredients
    Ingredient NameStrength
    MAGNESIUM STEARATE (UNII: 70097M6I30)  
    SUCRALOSE (UNII: 96K6UQ3ZD4)  
    ADIPIC ACID (UNII: 76A0JE0FKJ)  
    FD&C BLUE NO. 1 ALUMINUM LAKE (UNII: J9EQA3S2JM)  
    STARCH, CORN (UNII: O8232NY3SJ)  
    FD&C RED NO. 40 ALUMINUM LAKE (UNII: 6T47AS764T)  
    ANHYDROUS DEXTROSE (UNII: 5SL0G7R0OK)  
    MALTODEXTRIN (UNII: 7CVR7L4A2D)  
    Product Characteristics
    Colorred (red (light pink, light grey)) Scoreno score
    ShapeROUNDSize19mm
    FlavorBERRY (Raspberry, Cranberry, Blackcurrent) Imprint Code T;472
    Contains    
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:51316-540-66160 in 1 BOTTLE; Type 0: Not a Combination Product04/15/2025
    2NDC:51316-540-7572 in 1 BOTTLE; Type 0: Not a Combination Product04/15/2025
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    OTC Monograph DrugM00104/15/2025
    Labeler - CVS HEALTH CORP (062312574)
    Registrant - TIME CAP LABORATORIES, INC. (037052099)
    Establishment
    NameAddressID/FEIBusiness Operations
    MARKSANS PHARMA LIMITED677604129manufacture(51316-540)
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