This R, Lung blend is a master builder and cleanser for the respiratory system and may help restore normal respiratory rhythm. Helps to reduce build of mucus. May help with conditions of emphysema, sore throat, breathing impairments and hoarsemess. This blend also helps to stop excessive coughing in most cases. The FDA hasn't approved of any of thee statements so you tke this blend at your own risk, usually 2 capsules twice daily or one capsule to end a coughing spell. This is made with Bovine Lung tissue RNA/DNA factors. This formula may also help you to sleep if your lung meridain is having problems early in the morning. This product is used frequently when fighting colds and flu symptoms and is always in stock at my shop in Burbank, CA for fastest shipping times. This product is not intended to treat, cure, prevent or diagnose andy disease.