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Sufficient antioxidant intake is important for healthy immune function. Different antioxidants affect your immunity in different ways – from helping to produce immune cells, repair tissues, and helping immune cells communicate with one another – coordinating a strong defense for your body. Insufficient antioxidant support in the body can result in chronic or uncontrolled inflammation and damage to surrounding healthy cells and tissues.


Quercetin is an antioxidant which supports a healthy cell structure which leads to a strong immune system.  An ideal time to start taking quercetin is leading into flu season to start building up a strong defense but also when fighting a cold or flu.


Available in 120 vegetable capsules.

CanPrev Quercetin 500mg

  • Quercetin
    (flower bud, Styphnolobium japonicum)

    Non-Medicinal Ingredients

    Vegetable capsule.

  • Recommended Use

    Used in herbal medicine as a capillary protectant, antihistamine, and antioxidant.


    Adults - Take one (1) capsule, one (1) to two (2) times per per day with food or as directed by a healthcare practitioner. 

    Duration of Use: For use beyond 12 weeks, consult a healthcare practitioner.

    Cautions & Warnings

    As with any natural health product, you should consult a healthcare practitioner prior to use, especially if you are pregnant or breastfeeding. Do not use if seal is broken. Keep out of reach of children.

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