The aim of this study is to know the concentration of caffeine in energy drinks available in Bangladesh to ensure whether the caffeine
concentration in energy drinks follow the FDA recommendation or not. Five (5) items (35 in quantity) of energy drinks available in
Bangladesh were studied in this experiment. Caffeine content was analyzed and quantified of those common beverages by UV
Spectroscopy. The study showed that there were no significant difference of caffeine contents in the four samples namely Tiger, Speed, Thunder, Power energy drink based on separate divisions. But there was noticeable difference in Black Horse energy drink. Among the seven divisions, the highest content of caffeine was found in Khulna and the lowest in Dhaka division.
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