12 Amazing Benefits & Side Effects of Caffeine

Caffeine is an alkaloid that occurs naturally in some plant leaves, seeds and fruits. Plants use caffeine as a natural pesticide in killing insects that feed on such plant leaves. You certainly consume caffeine in various ways. It is naturally found in coffee beans, green tea leaves, kola nut drinks and guarana amongst other plants. Caffeine’s main effect in your body is the stimulation of your body’s central nervous system.