up the “anti” on your health with quercetin nature's super nutrient adds quality health support when and where it matters most by liz mueller you could say that quercetin really ups the “anti” when it comes to supporting whole-body quintupling its health-promoting effect on the body and working synergistically with release of pro-inflammatory compounds like histamine that cause allergy quercetin not only supports healthy respiratory function during a change in study examining the effects of quercetin and vitamin c on bronchial cells similar results have also been found in studies investigating mice exposed to that quercetin has a potential for treating chronic airway diseases." natural grocers® 11