Quercetin is a bioflavonoid found in onions, apples, black tea, and grapefruit. Quercetin has antioxidant activity and is used in herbal medicine as a blood vessel protectant.
Each non-GMO vegetable capsule contains:
Quercetin 500 mg
Bromelain (Ananas comosus), 2400 GDU/g [3,600,000 FCC PU] 100 mg
Adults: Take 1 capsule twice daily with food in divided doses or as directed by your health-care practitioner. Consult a health-care practitioner for use beyond 4 weeks.