The cola nut is a caffeine-rich seed from the cola tree, native to tropical Africa. It is typically oval-shaped and can be red, brown, or green in color. Traditionally, the nut has been used in various cultures for its stimulating properties and is often chewed for energy. In addition to its use as a stimulant, the cola nut is a key ingredient in many soft drinks, including popular brands of cola. The nut's flavor is slightly bitter and nutty, contributing to the unique taste of these beverages. It is also used in some traditional medicines and rituals.