Use this quick-release caffeine with green tea whenever you need fast-acting alertness. A special tablet bonding matrix releases caffeine quickly to ignite your energy and concentration levels. With caffeine, you can temporarily restore mental alertness or wakefulness when experiencing fatigue or drowsiness.* Each tablet contains 200 mg of caffeine and 100 mg of green tea extract which is the caffeine equivalent of 1-2 cups of filtered or brewed coffee. Try some today!