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Kirkland Signature™ Antacid Ultra Strength 1000 mg, 530 Tablets


Compare to Tums® Ultra active ingredient^, 2 Bottles, 265 Tablets Each, Gluten Free (< 20 ppm).

Item #100016089

  • Available at your local Costco warehouse. Not available for purchase on

    Compare to Tums® Ultra active ingredient^

    Kirkland Signature™ Antacid Ultra Strength 1000 mg neutralizes excess stomach acid in seconds to give fast relief from acid indigestion and heartburn. Improved formula offers a better taste with a super-fine texture.

    • Acid Indigestion
    • Heartburn

    Chew 2-3 tablets as symptoms occur, or as directed by a doctor.

    Calcium Supplement:
    As a daily source of extra calcium.

    Chew 2 tablets twice daily.

    Supplement Facts:
    Serving Size: 2 Tablets
    Servings Per Container: 132
    Amount Per Serving - % Daily Value*:
    Calories 10, Sugars 3 g - **, Calcium 800 mg - 80%.

    *Percent Daily Values are based on a 2,000 calorie diet.
    **Daily Value not established.  

    Active Ingredient (in each tablet) - Purpose:
    Calcium Carbonate 1000 mg………Antacid

    Inactive Ingredients:
    Adipic Acid, Corn Starch, Crospovidone, Dextrose, FD&C Blue 1 Lake, FD&C Red 40 Lake, Flavors, Magnesium Stearate, Maltodextrin, Sucrose, Talc.


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

    When using this product do not take more than 7 tablets in a 24-hour period, or use the maximum dosage of this product for more than two weeks, except under the advice and supervision of a doctor.

    Other Information:
    Do not use if printed seal under cap is torn or missing. Store at room temperature.


    ^This product is not manufactured or distributed by GlaxoSmithKline, the distributor of TUMS® Ultra Strength.