The purple cornflower, more commonly known as echinacea, has been used to boost health for centuries. Vitabase Echinacea is formulated under strict European standards without using harsh chemicals. It is standardized to contain 4% Echinacosides. Echinacea purpurea is added in order to offer a synergistic benefit. Take 45-50 drops in liquid three (3) times daily, or as needed. Shake well before using.