CytoGainer™ was designed specifically for athletes looking to pack on size and muscle. What's in CytoGainer? CytoGainer gives you the ideal ratio of protein to carbohydrates, with minimal fats and sugars. Made from high-quality whey and whey peptides, CytoGainer™ is 98% lactose free and features glutamine-rich whey peptides for improved total protein synthesis. Complex carbs from maltodextrins help replenish liver stores of glycogen fuel while time-releasing energy to hardworking muscles in midworkout. CytoSport CytoGainer™is instantized for easy mixing in water so all you need is a shaker cup - no blender is required.