EccaTru™ is the commercial name of the active ingredient echinacoside titrated at 4% and purified from Echinacea Angustifolia. Echinacoside is a secondary metabolite produced by the plant as a defensive compound against pathogens. Echinacoside is a natural caffeic acid glycoside consisting of a trisaccharide formed by two glucose molecules and one rhamnose moiety.