MONSTER INTRAPOWER is designed to help you power through intense workouts. Its blend of nutrients helps provide energy quickly and efficiently, build muscle and restore electrolytes. The addition of caffeine supports mental focus, and support muscle integrity. Multiple carbohydrate fuel sources: Monster IntraPower provides 16 grams of carbohydrates from multiple sources utilizing the body's ability to transport and deliver energy (glucose, fructose and lactate) through unique pathways. Free of banned substances.