Quercetin offers a wide range of biological activity and as a flavonoid, helps promote overall health. It provides potent antioxidant influence, which contributes to quercetin's ability to promote cellular health. Quercetin modulates a healthy immune and histamine response through its influence on multiple inflammatory pathways. It also supports cardiovascular health through multiple mechanisms. The addition of Nettle leaf, vitamin C, and bromelain in Quercetin Plus enhances the actions of the formula.