GNC Total Lean Lean Shake Slimvance Caffeine Free - Chocolate Peanut Butter is clinically proven to reduce body weight. This protein powder is formulated with a combination of herbal ingredients to help fuel your weight loss journey. Each serving provides 25g of protein and only 190 calories, helping you feel fuller for longer and avoid unwanted snacks. It also includes 7g of fiber to help eliminate unwanted toxins and improve digestive comfort. Additionally, it provides immune support with 23 vitamins and minerals.