Glutamine stores can be lost during intense training. 100% Ultra-Pure Glutamine Powder by Muscletech is formulated to deliver 5g of high quality glutamine in every serving to replenish the glutamine stores , help to repair muscle tissue , and support the immune system. This product offers simplicity and convenience. It is a tasteless , odourless and easy-to-mix glutamine matrix that is perfect for all levels of athletes. It gives you a solution to replenish the glutamine stores in your body while also helping you to reach your muscle building goals for results.