Introducing, USN Lean-8, a breakthrough formulation to the Core Series containing multi-phase proteins. This precisely engineered blend contains a fantastic mix of fast, medium and slow release proteins (including Whey Protein Concentrate, Whey Protein Isolate, Milk Protein Concentrate and Micellar Casein). Providing you with a great taste and consistency, the USN Lean-8 is scientifically designed to provide you with a premium lean muscle support system. Containing a fantastic blend of premium protein sources, the Lean-8 supplement is the ultimate lean muscle support system. Aimed at anyone looking to support their lean muscle challenge, the Lean-8 supplement provides a premium protein supplement aimed at supporting the recovery and growth of lean muscle.