For days when you need to change up your daily coffee run, grab a Ready-To-Drink Lean Shake Burn-a meal replacement that contains as much caffeine as a cup of coffee. Lean Shakes come in a range of flavor options so you can stay on top of your goals and be totally you. Benefits: Clinically proven to improve weight loss Only has 170 calories per serving 25g of protein per serving Gluten free and lactose ✦ ^ A randomized clinical study consisting of 109 healthy participants compared the use of Lean Shake 25 Ready-to-Drink in conjunction with a meal and exercise plan (total daily caloric intake of 1500 calories) to a 1500 calorie diet & exercise plan alone. This study resulted in nearly twice as much total weight loss (-7.6 vs. -3.9 pounds), along with improvements in Body Mass Index (BMI) among the Lean Shake 25 RTD users at the end of 12 weeks. Meal & exercise plan available at www.totallean.com. ✦ Contains a trivial amount of lactose. Suitable for individuals following a lactose-free diet. Contains lactase, a natural enzyme that breaks down lactose so you can digest dairy without discomfort.