Cytosport Cytogainer is a calorically dense, easy-to-digest lean muscle maximizing formula. Combined with a serious strength training regimen and a sensible, healthy diet, you will notice immediate gains in muscle mass and bodyweight when supplementing with Cytogainer. Cytogainer is almost entirely complex carbs and ultra high quality whey protein. The protein is glutamine-rich, partially pre-digested whey peptides for easy digestibility. The carbohydrates in Cytogainer are complex maltodextrins from corn hybrids, which help to stabilize energy and prevent sugar crash as well as promotes an anabolic environment in your body. Cytogainer mixes instantly in water so you can ingest calories immediately after training.