The popularity of energy drinks is on the rise with adolescents and adults,with consumption rates highest among males 18-34 years of age.The energy drink industry generates astonishing revenues,with 2014 sales reaching nearly $50 billion worldwide. There is some evidence pointing to harmful physiological and psychological effects from energy drink consumption.For instance, the caffeine mixed with other ingredients may produce symptoms such as insomnia, hyperactivity, rebound anxiety and risk-taking behaviors.

What Is an “Energy Drink”?

Energy drinks are non-alcoholic beverages containing B vitamins,caffeine in concentrations similar to strong coffee, a variety of herbal ingredients that can have both stimulant and anti-anxiety properties,and often large amounts of sugar.An energy drink typically contains large amounts of caffeine,added sugars,other additives,and stimulants such as guarna, taurine, and L carnitine. These stimulants can increase alertness,attention and energy,as well as increase blood pressure,heart rate and breathing.Adverse effects related to caffeine include tachycardia,arrhythmia,increase blood pressure,anxiety,headache,insomnia, and nausea.