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Widely distributed in the plant kingdom, quercetin is the most abundant of the flavonoid molecules, a class of antioxidant commonly found in fruits. It is found in many foods, including apples, onions, teas, berries, cabbage, seeds, and nuts. Quercetin has been widely established for the treatment of a variety of ailments. Quercetin decreases the formation and activity of inflammation in a manner that is similar to that of aspirin.
Quercetin inhibits the release of histamine by stabilizing the cellular membranes of neutrophils, which are a type of immune cell. Quercetin is therefore widely used by those who suffer from constant allergies (i.e. dust) and seasonal allergies (i.e. hay fever). 

Other benefits include cardiovascular support and protection of the gastrointestinal tract. A number of quercetin‘s beneficial effects appear to be due to its antioxidant activity. Quercetin scavenges free radicals and inhibits the oxidation of LDL cholesterol. By itself, and when paired with Vitamin C, quercetin reduces the incidence of oxidative damage to skin and nerves caused by glutathione depletion. In a study investigating the risk factors for chronic diseases in elderly men, it was revealed that high intakes of quercetin and other flavonoids predicted lower mortality rates and incidences of heart attack.

Features and benefits:

  • Antioxidants for the maintenance of good health
  • Used in Herbal Medicine as a capillary/blood vessel protectant


Adult (Minimum 19 years of age): Take 1 capsule 1 - 3 times per day with meals or as directed by your practitioner.

Caution: Consult your health care practitioner prior to use if you are pregnant or breastfeeding. Do not use if seal is broken. Keep out of the reach of children. Recyclable container and label. Product of Canada.


Active ingredients per capsule
Quercetin (bioflavonoids) 400mg
Other ingredients: Gelatin capsule, Magnesium stearate

Other information

NPN: 80043107

Sizes: 200 capsules