The Natural Caffeine is a central nervous system stimulant. It works by stimulating the brain. Caffeine is found naturally in foods and beverages such as coffee, tea, colas, energy and chocolate. Botanical sources of caffeine include kola nuts, guarana, and yerba mate. It occurs in nature, without human intervention. Caffeine that is artificially constructed, even if from natural ingredients, does not qualify. It is extracted from the plant to be used in different foods and beverages. Natural Caffeine is made for use in the various places.