Gnc total lean® advanced lean shake™ burn - chocolate mocha: achieve your weight goals gnc total lean® advanced lean shake™ burn is a meal replacement. Using a meal replacement like gnc total lean® shake burn is an effective way to manage portion control. Gnc lean shake™ burn comes in vanilla latte and chocolate mocha flavors one serving provides 25g of protein each serving contains 170 calories as much caffeine as an 8-oz. Cup of coffee vitamin and mineral blend for nutrition ^when used in conjunction with the gnc total lean™ advanced body-toning system. . Gnc total lean shake burn - chocolate mocha 14oz. (4 bottles)