Maxi Nutrition Maxi Milk Extreme RTD is a high protein shake that also contains Carbohydrates and Amino Acids.Each bottle provides 50g of Protein. Protein contributes to the growth in and maintenance of muscle mass. Carbohydrates are included for their contribution to the maintenance of endurance performance during prolonged endurance exercise. Carbohydrate-electrolyte solutions may also enhance the absorption of water during physical exercise.This delicious shake is also rich in L-Glutamine and the branched chain amino acids L-Isoleucine, L-Valine and L-Leucine. The building blocks of Protein, these nutrients may help to support protein synthesis. They also help to support lean muscle mass after exercise.Maxi Nutrition can be enjoyed after intense training or as a mid-morning or mid-afternoon protein snack.