Promotes clear, resilient respiratory function Hydrates and protects delicate lung tissues Encourages deep, effortless breathing Crafted with elite-grade tonic herbs for lasting vitality This formula is a lung tonic It can be used by smokers, people who have difficulty breathing, people who suffer when dust is in the air. It is very helpful for asthma (best used with antispasmodic formula for asthma ) and it helps keep the lungs open and free. Similar formulas have been used in Asia for thousands of years to support breathing. The concept of qi or energy is tightly connected to lung function in Asiatic philosophy, so they always sought to develop respiratory power and control with exercise and botanicals. Oriental masters insist that all sickness is related in one way or another to lung function. This formula is designed to strengthen, nourish and cleanse the lungs.