We usually face 2 types of stress everyday, positive stress and negative stress and Postive stress can motivate to achieve our goal . Apparently the stress we go through during exams are actually positive stress. How I wish I know Pharmaton when I was still studying cuz Pharmaton has all the essentials needed to help stay energized during the stress / exam season. It improves concentration, alertness and memory retention and also improves physical and mental performance. Which also helps combats the symptoms of stress and tiredness to help the body to adapt in stress situations.
Full article: http://www.chuckei.com/2013/05/pharmaton-hi-tea.html