Herbs of Gold Echinacea 4000 Complex 60tIndications Echinacea 4000 Complex contains a high strength blend of the herbal extracts, Echinacea angustifolia root and the whole plant of Echinacea purpurea. Echinacea has been used traditionally to support the immune system and to relieve the symptoms of mild upper respiratory tract infections, such as colds and flu as well as for relief of catarrhal conditions, fever and inflammation. Echinacea may decrease the duration and severity of symptoms