Grenade - .50 Caliber: A hard hitting, pre-workout devastator designed to make every workout an explosive, energy fueled assault. Powered by Grenade, the multi award winning sports nutrition specialists, .50 Caliber combines over 20 university tested ingredients, in precise dosages, designed to deliver devastating energy levels, incredible pumps, endurance and anti-catabolic support. .50 Caliber is the ultimate pre-workout ammunition for weapons grade workouts. .50 Caliber was formulated by our expert R & D team after evaluating and considering every possible natural component that has been studied to enhance physical performance, strength and recovery. As such, we believe it may be the most dynamic and innovative pre-workout, nitric oxide product available today. Pre Workout Devastator. For explosive energy & strength, insane focus and muscle blowing pumps. Key ingredients may increase muscle strength, power, muscular size and the use of fat for fuel. Powered by Grenade, the world's fastest growing sports nutrition specialists. University studied ingredients, with industry-leading dosages of key ingredients. Great taste and up to 64 servings.