This is a pre-workout designed to increase blood flow, strength and endurance. It's ingredients are properly dosed to increase your performance during workouts. It combines two different types of creatine combining to be the full clinical dose of 5g per serving. Non stimulant pre-workouts such as this one are perfect for those sensitive to caffeine or that train later in the evening and want to avoid caffeine so they can sleep. They also have no crash or jittery effects.