Body Builder Mass Gainer is an excellent supplement for trainers to increase their muscle mass, providing them with nutritional support for quicker, easier, and healthier weight gain. Body Builder Extreme Mass Gainer is a high-quality product that provides the daily requirement of pure protein extracted from concentrated whey, to support the growth and construction of muscles, increase the volume of muscle mass, promote the speed of muscle recovery, and prevent its catabolism, and also helps in weight gain.