Andrographis (Andrographis paniculata) is an herb long used in traditional Chinese medicine and Ayurveda. Also known as "Indian echinacea," Andrographis is a bitter-tasting herb rich in compounds known as andrographolides. These compounds are thought to have anti-inflammatory, antiviral, and antioxidant properties. Andrographis is most widely used to treat cold and flu symptoms. Andrographis is also said to act as a natural immune-booster. The herb is also used to treat certain other conditions.