Enhance your performance with Lucozade Sport with Caffeine Boost the traditional Lucozade Sport with the added benefit of 80mg of caffeine. Loss of fluid & reduction of the body rsquo s carbohydrate stores are the two major causes of fatigue during exercise. Lucozade Sport with Caffeine Boost is an isotonic sports drink containing carbohydrates & caffeine to increase your physical & mental performance. It is designed for endurance or high intensity team events so it rsquo s perfect for wh