Amino acids, such as L-theanine, which may help increase mental focus. Fluoride, a mineral that helps strengthen tooth enamel. Unlike other types of tea, green tea contains high levels of The consumption of energy drinks (e.g., containing caffeine and taurine) has increased over the last decade among adolescents and athletes to enhance their cognitive level and improve intellectual and athletic performance. Numerous studies have shown that drinking moderate doses of such drinks produ … RnJCzr.