This is Si Jin Bao’s version of a classical formula developed by famous physician Wu Kun in 1584. Dr. Wu Kun used this formula for febrile disease, congestion, coughing, bronchitis, and Sinusitis (including sinus infection). One of the major ingredients 黃苓Huang Qin in modern research has revealed the flavone Baicalin. It is noted to help potentiate the effectiveness of western Anti-biotics. Alcohol free and kid-friendly.