When you occasionally need to temporarily relieve tiredness pro plus provides the body with a shot of caffeine that can help you to feel more awake which in turn can help you to concentrate and be more alert its been proven that if youve been awake for more than 18 hours your response levels can become 5037 slower as fatigue and tiredness set in this can make a huge difference to your performancebusy professionals students and basically all those that sometimes feel they