Echinacea-Goldenseal w/Olive Leaf 60 tabs, Planetary HerbalsEchinacea Goldenseal with Olive Leaf Herbal Formula Supports Immune Resistance Echinacea and goldenseal are the two most relied upon botanicals for winter health. Echinacea reigns supreme as North America's primary immune enhancing botanical. This combination is further enhanced by the addition of European olive leaf plus other key Western and Chinese botanicals such as garlic, isatis, and andrographis. Echinacea Supports Immune Resistance Research by