EchinacPlus Echinacea Purpurea Extract (Enhances the Immune system and boost body\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s natural defenses) Scientific Support Echinacea root has been used as a common herbal remedy by many cultures to stimulate the body\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s immune system, to support body\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s natural defense system, and to prevent upper respiratory tract infections and the common cold. Echinacea is also known for its ability to help ward off infections and other diseases. Several clinical trials have shown echinacea to be effective, especially if taken at the first signs of an illness.