RecallGuide.ca
    Health productsUpdated Jan 3, 2026Official source

    Maximum Strength Acid Reducer recall in Canada: NDMA close to limit

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    In plain language

    This recall involves Maximum Strength Acid Reducer without Prescription sold in Canada. It's being recalled because it contains N-nitrosodimethylamine (NDMA) close to the acceptable concentration limit. Stop using the product and follow the return steps in the official notice.

    What to do

    • Stop using the product immediately.
    • Check lot numbers 628308A, 628308B, 628308C, 628308D, 628308E, 628308F, 628429, 628442, 628453.
    • Return the product as instructed by Pharmascience Inc.

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    Affected products

    • Maximum Strength Acid Reducer without Prescription

      Lot: 628308A, 628308B, 628308C, 628308D, 628308E, 628308F, 628429, 628442, 628453

    Do I have this product?

    This recall only applies to specific products. Follow the steps below to check.

    1. 1

      Check the product name

      Make sure your product name matches one of the affected products listed above.

    2. 2

      Check the lot number

      Lot numbers identify specific production batches.

      Affected lots: 628308A, 628308B, 628308C, 628308D, 628308E, 628308F, 628429, 628442, 628453

    If your product matches one or more of the details above, it may be affected by this recall.

    If your product does not match these details, it is not affected by this recall.

    When in doubt, always check the official notice.

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    Frequently Asked Questions

    Why was this product recalled?

    This recall involves Maximum Strength Acid Reducer without Prescription sold in Canada. It's being recalled because it contains N-nitrosodimethylamine (NDMA) close to the acceptable concentration limit. Stop using the product and follow the return steps in the official notice.

    What should consumers do?

    Stop using the product immediately. Check lot numbers 628308A, 628308B, 628308C, 628308D, 628308E, 628308F, 628429, 628442, 628453. Return the product as instructed by Pharmascience Inc.

    Where was the product sold?

    This product was sold in Canada. For specific retailers or distribution areas, please check the official recall notice linked on this page.

    Is there a health risk?

    A potential safety risk has been identified with this product. Stop using it immediately and follow the instructions in the official recall notice.

    When was this product recalled?

    This product was recalled on February 4, 2021.