Quercetin is an excellent antioxidant as well as an anti-inflammatory and helps support a healthy immune system. It can improve our histamine response and promote a healthy respiratory system. It is believed to be neuro-protective for our brains and helps our spinal cords recover from injury. It is a broad spectrum anti-viral. It also shows anticarcinogenic abilities. It works synergistically with Bromelain to provide amazing anti-inflammatory benefits. It works synergistically with Vitamin C as well.