• Potent bioflavonoid*• Promotes healthy enzyme levels*• Supports normal sinus and respiratory function*• Premium Vegan Formulation 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.* Packaging and labels may vary. Suggested Use: Take 2 capsules, twice a day between meals, or as directed by your healthcare professionalServing Size: 2 capsulesAmount Per ServingQuercetin Dihydrate 95% ... 500mgOther Ingredients: Cellulose, Hypromellose, Calcium Carbonate, Magnesium Silicate, Ascorbyl Palmitate, Silica. Store sealed in a cool dry place. Keep out of reach of children. Use only if safety seal is intact. Warning: If you are pregnant or lactating, taking medication or have a medical condition, consult your healthcare practitioner before use.