(Brookside) This all-natural formula was designed to provide relief of respiratory symptoms such as chronic nasal discharge, mild heaves, and coughing. The proprietary blend of high-quality herbs also helps to restore normal lung function for horses that are exposed to allergens such as pollution, dust and mold. It can be an effective option for horses that are stabled or have restricted turnout. Administer 1 scoop daily with feed. Powder.