Vitamin enhanced. 500 mg (Per can 15 fl oz) calcium. Low fat. Monster athletes do not win by accident, it takes years of hard work and determination to be a champion. Need a little motivation to meet your personal goals? Meet your new coach in a can, Muscle Monster Energy Shake. Specially formulated with our Monster Energy Blend to help motivate you to train harder and longer, Muscle Monster also provides the fuel you need to power through your workouts. Muscle Monster's 25 grams of protein helps build lean body mass and aids in muscle recovery after a strenuous workout. Get in the game, break a sweat, break your record, break the rules, with Muscle Monster Energy Shake. Pump up the beast! www.monsterenergy.com. Facebook. Instagram. Twitter. YouTube. Caffeine From All Sources: 84 mg per 8 fl oz. serving (157 mg per can).