"Lean Pro8 is a premium protein matrix that works to build bigger, stronger, and leaner muscles faster than ever before. Each serving of Lean Pro 8 contains eight fast, medium, and slow-release proteins to give you a sustained flow of amino acids. These amino acids are critical to building more eye-catching muscle and increasing all-out strength. Just as importantly, an effective protein supplement should help decrease catabolism and that's exactly what Lean Pro8 does. Its nitrogen-promoting amino acids provide nutritional support to prevent muscle breakdown throughout the day and even during the night when taken before bed. Therefore, not only is Lean Pro8 your tool to building new muscle; it's also your tool to safeguarding the muscle you already have. Best of all, this complete arsenal comes in a formula that's guaranteed as America's #1 Best Tasting Protein Powder!