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'''Caffeine''' is a central nervous system [[stimulant]] found in [[coffee]], [[tea]], [[cocoa]], [[chocolate]], [[soft drink]]s, and some drugs. The source of caffeine is either the coffee bean, the tea leaf, the [[kola]] nut, or the [[cacao]] pod. Pure caffeine is odorless and has a bitter taste.

'''Caffeine''' is natural plant [[alkaloid]] found in the coffee bean, the tea leaf, the [[kola]] nut, and the [[cacao]] podin.  [[coffee]], [[tea]], [[cocoa]], [[chocolate]], [[soft drink]]s, and some drugs all contain caffeine, and when consumed, it behaves as a central nervous system [[stimulant]]. Pure caffeine is odorless and has a bitter taste.

==Caffeine effects==

==Caffeine effects==