Wind is specifically formulated oral supplement containing select minerals, vitamins and beneficial bacteria to help support normal breathing and respiratory functions in performance horses, contains a source of live (viable), naturally occurring microorganisms. Wind will help loosen mucus, sooth and open airways, it contains octacosanol to help improve endurance and speed reaction time, to strengthen muscles and to reduce oxygen debt. Once the airways dilate, the amount of air in each breath is largely increased. Wind can help your horse improved performance, aid in relief of symptoms and promote healing from respiratory conditions. 4 doses per tube