CytoSport Monster Initiate Nutritional Drink, Sour Apple, Blue Raspberry, and Grape 600 Grams Intended to deliver caffeine to the bloodstream more efficiently than caffeine alone, Monster Initiate is a caffeinated and amino acid supplement mix to help you prepare and train hard. The caffeine aids in enhancing mental focus and the LCitrulline supplementation helps increase nitric oxide levels, leading to reduced fatigue and improved endurance when exercising for a lengthy period of time. From the Monster Series by CytoSport, this powder yields an energy boost that will see you through those tough workouts. In addition, Monster Initiate contains CarnoSyn Carnosine Sythesizer a rate limiting factor for carnosine production which can act as a buffer to decrease muscle acidity during intense exercise. This powerful preworkout powder is made without the proprietary blends and is NSF certified, assuring that it has been tested by a respected independent certification organization. To top it off, you're going to love the delicious sour apple flavor and smooth taste.