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Caffeine is one of the most widely consumed alkaloid compounds in the world and is found in coffee, tea, energy drinks, certain medications, and many food and beverage items. Caffeine, which has a stimulant effect on the central nervous system, temporarily enhances mental performance by increasing alertness. However, excessive consumption can lead to adverse health effects. Chemical Structure Caffeine is an alkaloid compound known as 1,3,7-trimethylxanthine. Chemically, it is a xanthine derivati