While some energy drinks contain various ‘healthy’ ingredients, many do not. CAFFEINE is a natural stimulant, and probably why you reach for an energy drink in the first place. It increases ...

A study published in the Journal of the International Society of Sports Nutrition found that pre-workout includes caffeine ...

It is often mixed with sugar, vitamins, herbs, and other ingredients. These drinks are most popular among teens and young adults and usually contain more caffeine than colas and other sodas.