Increases heart rate and blood pressure. Makes you shaky and nervous. Is addicting. Makes brain and heart work harder. Energy drinks have multiple sources of caffeine, but are often listed under other ingredients. Many times, these ingredients are lumped together and called an energy blend on the label, but it’s really just extra caffeine. Sugar-sweetened beverages (SSBs) or sugary drinks are leading sources of added sugars in the American diet. Frequently drinking sugar-sweetened beverages is associated with weight gain, obesity, type 2 diabetes, heart disease, kidney diseases, non-alcoholic liver disease, tooth decay and cavities, and gout, a type of arthritis. 1-4 Limiting sugary drink intake can help individuals maintain a Unlike coffee, energy drinks don’t just contain caffeine; they’re full of additives that act as stimulants – such as guarana, taurine and L-carnitine – which intensify the effects of caffeine, explains Dr. Fischman. There’s also typically more caffeine concentrated into one canned energy drink versus an 8-ounce mug of coffee, says Dr. Ho. energy drink, any beverage that contains high levels of a stimulant ingredient, usually caffeine, as well as sugar and often supplements, such as vitamins or carnitine, and that is promoted as a product capable of enhancing mental alertness and physical performance. Energy drinks are distinguished from sports drinks, which are used to replace Using mathematical models, researchers determined that the possible presence of theophylline, adenine and azelate, substances which can have negative effects on the heart. “Little is known about the ingredients that may contribute to the adverse effects of energy drinks on the heart,” Rusyn said. “Specifically, the evidence for Energy drinks are non-alcoholic, caffeine-enriched SSBs marketed as stimulants to raise energy and performance. In Ireland, their marketing is largely unregulated. Caffeine-related health risks of So, it isn't necessarily easy to know the exact health effects of energy drinks. Most research has focused on the caffeine and sugar in them. "Caffeine can affect quality of sleep," Lee said. Consuming too much caffeine can make it difficult to physically and mentally wind down at the end of the day and get to sleep. Lack of sleep can then lead to additional problems, such as daytime fatigue, higher stress, irritability, and difficulty focusing. There may also be long-term consequences. D9MGR.