Question

What is the caffeine?is it a drug?

Answer 1

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CAFFEINE :
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Caffeine is a plant product that is most commonly found in coffee beans, tea, soft drinks, cocoa and chocolate.

Caffeine is also found in some prescription and non-prescription drugs, including cold, allergy and pain relievers.

Answer 2

Caffeine is a drug found in plants. It is harmful for both animal and human if  a large amount is consumed.