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How long is insulin vial good in refrigerator

    How long can I keep my insulin vial in the refrigerator?
  • Samuel Grossman, BS Pharm, Pharm.D, CDE PROFESSIONAL
    Insulin can be kept in the refrigerator for 28 days once the cap is removed from the top of the insulin vial. If the cap is not removed from the insulin vial, the vial can be kept in the refrigerator until the manufacturer's expiration date.