In just a few short months Prolabs Lean Mass Matrix has gained unprecedented exposure and acceptance in the balanced meal supplement category. Based on the success of the Matrix Food System, Prolab has now introduced a low calorie version of this unique meal supplement format Naturally Lean Matrix. Most importantly is the fact that Prolabs radically different meal supplements are the first products to deliver the unique combination of: 40% Sustained Release Bioactive Proteins Plus Additional L-Glutamine for Building and Repairing Lean Muscle 40% Fibrous Unrefined Complex Low Glycemic Carbohydrates for Maximizing Workout Energy, Muscle Cell Volume and Strength 20% Beneficial Fats, Including Essential Fatty Acids for Building New Cellular ComponentsThese ultra modern formulas utilize a unique 40/40/20 nutritional platform that many athletes believe to be optimal in order to make continuous progress in their quest to build a better body.