Energy drinks are non-alcoholic beverages that contain caffeine plus other plant-based stimulants (like guarana), amino acids (like taurine), herbs (like ginkgo biloba) and vitamins. They were introduced in the US in 1997. Their caffeine content ranges from 50 to 500 milligrams a serving, compared to approximately 95 milligrams in an 8-ounce cup of coffee. The … Read More
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