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 Lean Shake Burn - Chocolate Mocha - 14Oz. (4 Bottles)