Quercetin possesses powerful antioxidant properties and like other bioflavonoids, has the ability to stabilize cell membranes.
Citrus bioflavonoids: include rutin, hesperidin, quercitin and naringin.Green Tea Polyphenols: great anti-oxidants include catechin and epigallocatechin gallate.
It is rich in bioflavonoids that help to strengthen blood vessels, too.
Nutritional recommendations include zinc lozenges every two hours along with vitamin C with bioflavonoids, vitamin A, and beta-carotene supplements.
In addition, nutritional therapists recommend vitamin C and bioflavonoids to supplement a diet high in whole grains, fresh fruits, and vegetables.