Herbs For Horses - BreatheBreathe is clinically proven (by the Equine Research Center) to support a healthy respiratory system in your horse. It reduces coughs, congestion and other respiratory problems making it one of the most effective products available. It is the only clinically proven formula for COPD (chronic obstructive pulmonary disease) heaves or small airway disease. Breathe is also anti infective and anti allergy. It strengthens the respiratory system of your