What are the special functions of functional drinks? "We need to analyze its composition. I always keep the functional drink of the war horse when I exercise. Because it contains d- ribose and vitamin B family, it can supplement the energy consumed during exercise and maintain and improve the sports ability. Taurine can improve nerve conduction and visual function by adding taurine to the functional beverage of war horse. So what are the special functions of functional drinks? Summing up two points is to replenish energy and relieve fatigue.