Bamboo Extract is made out of the most nutritious part of the bamboo, containing a complex source of amino acids, vitamins and minerals. It is excellent for those who have symptoms associated with upper respiratory problems such as cough with phlegm, fever, runny nose, sore throat, dry mouth, heaviness in the chest and headaches. It works very quickly for acute respiratory problems, even in children and young adults. In fact, it is excellent for ear infections in children.