* Science-Based Nutrition * Dietary Supplement * Not Suitable for Vegetarians Quercetin-Bromelain supplies the flavonoid quercetin extracted from seed pods of the Dimorphandra mollis plant. Flavonoids are "semi-essential" nutrients found in many plants and foods. Bromelain is an enzyme complex derived from the pineapple stem. Quercetin modifies the body"s response to antigenic substances, inhibits formation of free radicals and supports circulatory health by promoting integrity of tissues in small blood vessels. Bromelain supports tissue comfort and may enhance quercetin absorption.