Kola nut is a caffeine-containing nut that is native to Africa. It is a popular ingredient in traditional African medicine and is also used as a stimulant in many cultures. There are several synonyms for the word "kola nut" including Cola nitida, Cola acuminata, bissey nut, guru nut, cola nut, and cola seed. Each of these terms is used to describe the same nut and can be used interchangeably in most situations. Kola nut is often chewed or brewed into a tea, and is said to have a variety of health benefits, including aiding digestion and reducing fatigue.