Quercetin is a particularly effective bioflavonoid, with its own peculiar qualities. One of the more minor qualities (common to all bioflavonoids) is its ability to assist in the utilization of Vitamin C.

Allergex Quercetin Plus contains Quercetin, Pinus Maritime Extract, Bromelain, Grape Seed Extract, Magnesium Ascorbate (vitamin C) and Magnesium Stearate.