Rule 1 Mass GainerOver 1, 000 calories per serving! 40g all whey protein 200+ g complex carb blend with organic rice bran and CARB 1 It also contains 2g Creatine With over 1, 000 calories, a 200 gram complex carb blend, and 40 grams of protein from three types of whey, R1 Mass Gainer is large and in charge. In addition to a 5: 1 carb to protein ratio, this calorie packed formula provides added Creatine, MCTs, and glutamine to help you achieve your most sizeable