Caffeine is one of the most used and most effective stimulants to give you energy, reduce physical fatigue and restore alertness when drowsiness occurs.
Caffeine has been used since ancient civilizations for both recreationally and medicinally purposes as a central nervous system and metabolic stimulant.
It has become the favorite LEGAL performance-enhancing supplements for elite athletes.
Caffeine, which has also shown to help with focus, can be found in a many foods and beverages including chocolate, tea and coffee.
One piece of Run Gum® contains 50mg of caffeine.