Enzymatically Modified Isoquercitrin (EMIQ) is a highly bioavailable form of quercetin, a bioflavonoid that exerts significant antioxidant effects and helps with immune function. The limiting factor in quercetin’s clinical efficacy appears to be its poor bioavailability – Bioactive Quercetin EMIQ from Natural Factors offers consumers a more efficacious product. Reg. price $34.98