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Quercetin Release

From Naturiste :

Over the past few days, many of you have asked us questions concerning the possible effectiveness of Quercetin in helping to prevent the Coronavirus.

According to a Radio-Canada article, Dr. Michel Chrétien, doctor and researcher at the Montreal Clinical Research Institute, declared that:

“Quercetin (a vegetable substance) could prevent and cure the coronavirus“

Radio-Canada's reporting

Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains.  Its antioxidant properties may help reduce inflammation, allergy symptoms, and blood pressure.  According to Dr Chretien, Quercetin has been successfully tested in dealing with the Ebola and Zika viruses. Naturiste has not verified this claim.

Naturiste sells Quercetin with Vitamin C.  This product is licensed with Health Canada under Natural Product Number 80012028 and has a recommended use as a Source of antioxidants that helps to maintain good health.

For more detailed information on this product please see our website at:


According to the Health Canada published product monograph for Quercetin the only declared permitted uses are:

  • Source of antioxidants
  • Used in herbal medicine as a blood vessel protectant

Here is a link to the Health Canada's Quercetin monograph:

Health Canada's monograph

We are issuing this statement to address the questions being posed by many of our customers.  Naturiste cannot and does not express any opinion as to the validity of Dr. Chretien’s or other’s claims concerning Quercetine’s effectiveness in viral treatments.