The systematic review by authors from Italy examined the health effects of energy drink abuse with a focus on cardiovascular side effects, concluding: “The daily intake of energy drinks should not only not exceed the safety limits for caffeine established by European and American regulatory authorities, but should be even lower.” Energy drinks, as a marketing tool, have been rapidly promoted for their claimed beneficial effects such as metabolic stimulation and improved concentration. Some potential adverse effects related to these beverages, however, have been concerning in recent years; among these effects, cardiovascular effects are of special importance. It is estimated that energy drink consumption among the adolescent and middle-aged population between 2001-2008 ranged from 24-56%. 3 A survey of energy drinks consumption among students-athletes in Ghana revealed that 62.2% consumed at least one can of energy drink in a week of which 53.6% did so to replenish lost energy after training and The excessive amounts of caffeine in these drinks is especially worrisome. More than 100 milligrams of caffeine a day is considered unhealthy for teens. While an 8 ounce cup of coffee packs a caffeine punch of 100 mg, some of these energy drinks contain alarming amounts of caffeine. An 8.4 ounce can of Spike Shooter has about 300 mg of caffeine An energy drink addiction can have a serious effect on your health. Drinking excessive amounts may lead to tooth decay, weight gain, and chronic diseases, such as heart disease or type 2 diabetes. Alternatives. Energy drinks have become a go-to source of quick energy, but they can be addictive and have many adverse side effects. They can lead to crashes, jitters, and withdrawal symptoms Meanwhile, a 2013 report from the Substance Abuse and Mental Health Services Administration revealed that from 2007 to 2011 in the US, energy drink-related emergency department visits doubled Regularly consuming high levels of caffeine can cause dehydration (since caffeine is a diuretic ), stomach problems or precipitate headaches from withdrawal. "Becoming dependent on energy drinks to keep your energy levels up is a real concern if you find yourself reaching for them on the regular. MdN1PQ.