Quercetin extracted from a non-citrus source and other bioflavonoids extracted from lemon are found in the classical bioflavonoid group of nutritional supplements. They have been shown to support the integrity of mast cells, which play a key role in controlling the release of histamine. Bioflavonoids potentially support the health of the vascular s ...

This formulation incorporates the highest potency quercetin available, derived from a non-citrus hypoallergenic plant source, and stabilized with additional antioxidants so as not to auto-oxidize (degrade spontaneously). The body may use quercetin to strengthen the mast cells, involved in the release of histamine, potentially inhibiting that activi ...