Respuesta :
					                   D.) Caffeine
Caffeine is like an energy booster. It is known to last longer in the athletes and is used a pre-exercise energizer. The energizer allows the athletes to train & work harder & longer.
Hope this helps! .
					                
					             Caffeine is like an energy booster. It is known to last longer in the athletes and is used a pre-exercise energizer. The energizer allows the athletes to train & work harder & longer.
Hope this helps! .
 
					                  