Mr. Tumee™ Echinacea Plus Vitamin C And Zinc Is Designed To Boost And Stimulate The Immune System. Echinacea, Also Known As The Coneflower, Helps To Strengthen The Immune System Through Its Antimicrobial And Anti-Inflammatory Properties. Vitamin C And Zinc Contain Many Antioxidants And Together, Help To Stimulate The Body’s Immune System.