Lean1 is the first ""Fat Burning Meal Replacement."" Not just a protein, not just a diet. Lean1 gives your body the nutrition needed to be healthy and lean! Optimizes metabolism to help burn fat more efficiently. Delivers specialized herbal extracts, lean proteins, and fiber to suppress appetite. Provides ideal nutrients such as organic fruit and vegetable extracts, omega-3 fatty acids, and plant sterols to support optimal heart health.