what is caffeine ☺☺☺☺☺☺☺
raminder1:
simply a protein present in milk
Caffeine is a central nervous system stimulant of the methylxanthine class. It is the world's most widely consumed psychoactive drug. Unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world.
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Caffeine is a crystalline compound that is found especially in tea and coffee plant and is a stimulant of the central nervous system .
Caffeine is a crystalline compound that is found especially in tea and coffee plant and is a stimulant of the central nervous system .
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an alkaloid compound which is especially in tea and coffee plants and is a stimulant of the central nervous system
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