Why use Mass Super Gainer? If you are looking to gain muscle mass, then, each day, you should look to take in more calories than you burn alongside regular resistance training. Mass Super Gainer contains quality, fast-absorbing carbs and proteins to help you cost-effectively meet your macros and reach this calorific surplus. Now with added oat flour and reduced sugar content for a cleaner source of carbs. Who can benefit from whey protein weight gainers? Mass Super Gainer post-workout supplement can contribute to weight gain and growth of muscle mass when supplemented with resistance training and a diet in calorific surplus. Those looking just to increase their protein intake throughout the day might consider supplementing with Mass Whey protein instead.