Quercetin has been shown to be one of the most useful and physiologically active flavonoids.* It can be used for maintaining or supporting the proper levels of enzymes and physiologic factors necessary for normal respiratory and sinus function.*
- Quercetin dihydrate
Other Ingredients: Gelatin capsule, silicated cellulose, calcium carbonate, magnesium silicate, ascorbyl palmitate, and silica
*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.