Quercetin + C

A high potency,synergistic combination of quercetin,a non-citrus bio-active bioflavonoid derived from blue-green algae, and corn free vitamin C, which is derived from sago palm. Quercetin is more potent than common bioflavonoid complexes and contains no citrus allergens. It is a natural antioxidant and an active derivative of the bioflavonoid rutin.