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  • Supports allergy sufferers by helping stabilize mast cell membranes that store and release histamine
  • Ability to stabilize mast cell membranes, which in turn can decrease the release of histamine.*
  • In this way, it provides nutritional support for individuals who occasionally suffer from allergies.*
  • Other benefits include its cardiovascular support and protection of the gastrointestinal tract.*
  • A number of quercetin's beneficial effects appear to be due to its antioxidant activity.* 


Widely found in the plant kingdom, quercetin is the most abundant of the flavonoid molecules. It is found in numerous foods, including apples, onions, teas, berries, vegetables of the cabbage family, seeds, and nuts.

The crucial advantage attributable to Thorne's Quercetin Phytosome is its advanced phytosome technology. Phytosome complexes are created by a patented process that binds a botanical extract to phospholipids – phospholipids are key components of cell membranes. In the case of Quercetin Phytosome, the quercetin is combined with sunflower-sourced phospholipids to create a phytosome complex that can easily cross the gut barrier.*

How to use:

Take 1 capsule two to three times daily with meals or as recommended by your health professional.


Quercetin Phytosome



* Disclaimer - "This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease"..... If in doubt we always recommend you consult your wellness or health care practitioner before adding any diet changes or supplements to your daily wellness routine and practise.