Food supplement that, through its regular use, helps to provide a better quality of life to people suffering from chronic bronchitis and obstructive bronchitis. Its formula contains, among other active ingredients, astragalus, which promotes the body's natural defenses; spirea, which has anti-inflammatory, analgesic and antipyretic action; althea, which promotes the functioning of the mucous membranes of the respiratory tract, and zinc, which helps protect cells against oxidative stress.