Enhance your performance with Lucozade Sport with Caffeine Boost – the traditional Lucozade Sport with the added benefit of 80mg of caffeine. Loss of fluid and reduction of the body’s carbohydrate stores are the two major causes of fatigue during exercise. Lucozade Sport with Caffeine Boost is an isotonic sports drink containing carbohydrates and caffeine to increase your physical and mental performance. It is designed for endurance or high intensity team events, so it’s perfect for when you need to be on top of your game. The convenient stick pack provides exactly the right amount of powder to make a 500ml drink.