Quercetin is a flavonoid found widely in the plant kingdom flavonoids are known to work synergistically with vitamin c especially to support immunity quercetin has powerful antioxidant properties and helps protect against harmful free radicals including protecting lipids against oxidation rancidity bromelain is derived from pineapple and increases the absorption of quercetinvitamin c also a powerful antioxidant acts against age accelerating free radicals and protects the eye from oxida