With a protein to carbohydrate ratio of 1:5, the Osoaa Pro Series XXL Mass Gainer Belgian Chocolate is specially made for those who aim to gain muscle mass quickly in the healthiest possible way. It is the ideal blend of slow and fast releasing proteins to provide sustained release of protein to your muscles for a longer duration. It consists of Whey Protein Isolate, Whey Protein Concentrate, Skimmed Milk Powder and Whole Milk Powder in a balanced ratio. It is also fortified with creatine, citrulline malate and glutamine to amplify results. The added vitamins, minerals, and digestive enzymes provide the extra advantage of better immunity and a stronger gut. It is a simple, cost-effective and efficient way to increase your daily nutritional and calorie intake for bulking up.