RecallGuide.ca
    Health productsUpdated Jan 3, 2026APO-MetforminOfficial source

    APO-Metformin recall in Canada: May contain NDMA above acceptable limits

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    In plain language

    This recall involves APO-Metformin 500 mg Extended Release Tablets sold in Canada. It's being recalled because affected lots may contain N-nitrosodimethylamine (NDMA) above 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 the lot numbers on your medication.
    • Return the affected product to your pharmacy.

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    Affected products

    • APO-Metformin 500 mg Extended Release Tablet

      Lot: PK3968, PK3969, PX5336, PY7174, PY7175, RF6463, RF6464, RF6465, RF6466

    Why this matters

    May contain N-nitrosodimethylamine (NDMA) above acceptable limits

    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: PK3968, PK3969, PX5336, PY7174, PY7175, RF6463, RF6464, RF6465, RF6466

    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?

    May contain N-nitrosodimethylamine (NDMA) above acceptable limits

    What should consumers do?

    Stop using the product immediately. Check the lot numbers on your medication. Return the affected product to your pharmacy.

    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?

    Yes, there may be a health risk. May contain N-nitrosodimethylamine (NDMA) above acceptable limits

    When was this product recalled?

    This product was recalled on June 12, 2020.

    Is the APO-Metformin brand affected by this recall?

    Yes, APO-Metformin products are affected by this recall. This recall involves APO-Metformin 500 mg Extended Release Tablets sold in Canada. It's being recalled because affected lots may contain N-nitrosodimethylamine (NDMA) above the acceptable concentration limit. Stop using the product and follow the return steps in the official notice.