Quercetin UltraSorb contains QuerceFit® bioavailable quercetin phytosome; enhanced-absorption cellular, immune and cardiovascular support.
Proprietary phytosome technology combines quercetin from Sophora japonica flower extract and phospholipids from sunflower in a 1:1 ratio, promoting resistance to degradation in the digestive tract and efficient absorption across membranes.
- Quercetin is a polyphenolic flavonoid known to exhibit cellular and immune-moderating activity.
- Increases the body’s antioxidant capacity in part by regulating levels of glutathione.
- Supplementation for 30 days with 250 mg or 500 mg QuerceFit® quercetin phytosome supported antioxidant defenses and helped support respiratory function and nasal comfort.
- Preliminary research suggests that quercetin helps to stabilize mast cells and moderate the release of immune mediators.