With Bromelain - Supports Immune FunctionnSupports Healthy Histamine LevelsnHelps Manage Seasonal Discomfort*nManufacturer has changed product ingredient to vegetarian capsule. Amazon will offer replacement for non-Vcap shipmentsnSupports Immune Function Supports Healthy Histamine Levels Helps Manage Seasonal Discomfort* A Dietary Supplement Vegetarian Formula Quercetin is a naturally occurring bioflavonoid that supports healthy histamine levels, thereby helping to sustain a balanced immune response.Bromelain, an enzyme derived from pineapple stems, also supports healthy immune system function. The combination of Quercetin and Bromelain therefore provides powerful immunomodulating benefits important for the management of occasional seasonal discomfort.*