Cytomax Fast Twitch powder offers three nutrient blends to support you both before and during your training routine. The Energy and Focus Amplifying Matrix helps support concentration, reaction time and decision-making. The Power Nitric Oxide Matrix supplies creatine and nitric oxide donors to help support strength. The Lean Muscle Matrix contains glutamine and essential amino acids. Try Fruit Punch (150mg caffeine per serving) and Lemonade (non-caffeinated) to help you make the most of your workout.