Joe just drank it. Joe is Joe's prebiotic protein drink, which can be drunk directly. Qiaoxue prebiotic protein beverage is a preparation that cannot be digested by the host. Its components are soy protein isolate, whey protein powder, galactooligosaccharide, silicon dioxide and aspartame, which can selectively stimulate the activity or growth and reproduction of one or more resident bacteria in the colon and improve the health of the host.