The Dymatize Super Mass Gainer is specially formulated with essential vitamins and minerals required for gaining mass. Gaining healthy muscle is not an easy job. Many people have fast metabolism and small appetites, and when they perform continuous physical activities, it reduces the level of calories and proteins in their body that are needed for muscle growth. So this mass gainer is specially designed to fulfill your protein needs. It provides essential nutrients to your body that work on your muscles and increase your mass fast. This mass gainer contains essential branched-chain amino acids that are directly involved in building muscles and speeding recovery of muscles from soreness and fatigue after intense workout sessions.