An excellent supplement for people with COPD, smokers cough and chronic Chest congestion. A balanced mix of four herbs that helps to dilate the airways, liquefies Phlegm, reduces cough and guards against opportunistic lung infections. It is safe for long-term use and can also be used for short periods of 10-12 days. It can be safely used with most other medicines and antibiotics. Sustained use helps to build natural body immunity and reduces the frequency of exacerbations. Not suitable for Asthma.