Harker Herbals Be Well Vitamin C + Echinacea provides the echinacea root that is rich in alkylamides, a compound that may support production of white blood cells, the body’s natural defence against invaders.  Echinacea and Vitamin C are also potent antioxidants and together they support overall healthy immune function, recovery from illness and a robust response to immune threats. Harker Herbals Be Well Vitamin C + Echinacea also includes Zinc for additional immune support.