Our bodies need protein for many daily tasks — boosting our immune system, sending messages throughout the body, growth and repair of cells and tissues. However, the benefits of protein powder mostly focus on functional abilities, like adding lean mass, improving muscle recovery, and increasing satiety. 1. Protein shakes can aid muscle growth 2. Protein can help you to lose weight 3. Taking protein before bed can speed up recovery 4. Protein Shakes Can Boost Your Metabolism 5. Protein Shakes Can Preserve Muscle Mass 6. Protein Shakes are Convenient