Xenergy Xtreme Frostberry Blast is a balanced blend of blueberry and raspberry flavors, which, like all Xenergy beverages, is sugar- and calorie-free. The beverage is named for its frost-like color. The 16-ounce can features the image of Wanderlei “The Axe Murderer” Silva, a UFC middleweight fighter and international icon in the sport of mixed martial arts (MMA). It is the third in XYIENCE's limited edition collector can series. The can also includes a warning advising consumer not to mix Xenergy with alcohol and also discloses the beverage's caffeine content.