Prolab's Lean Mass MATRIX Vanilla 20pk

A True Meal Supplement from ProLab. Prolab's Lean Mass Matrix ushers in a new era of functional meal supplements while other meal supplements continue to miss the mark. ProLab developed Lean Mass Matrix for people who work hard to create a better body, delivering 40 grams of slow and fast acting proteins, 40 grams of carbs and essential fats to maintain lean muscle mass and provide the energy levels necessary for intense training schedules through the delivery of a steady state blood sugar level.