• Potent bioflavonoid* • Promotes healthy enzyme levels* • Supports normal sinus and respiratory function* Quercetin has been shown to be one of the most useful and physiologically active flavonoids.* Quercetin helps support stable mast cells to promote healthy inflammatory balance. This potent bioflavonoid can be used for maintaining or supporting the proper levels of enzymes and physiologic factors necessary for normal respiratory and sinus health, to help support seasonal respiratory challenges.*
