Dangerous Red Bull Side Effects. Another study published in the same journal looked at the effect that Red Bull had on people during and after exercise. Drinking vodka with Red Bull has a similar effect on the brain as taking cocaine, experts warn. All side effects of energy drinks vary by individual and the level of consumption. It is important to note that your metabolism and its speed also contribute to how powerfully you feel the effects of Red Bull, so those who are younger will feel the effects fast, but they will also fade faster, while older individuals will take longer to notice a change, but will feel that change for longer. Effects on the Kidneys .

The side effects of a Red Bull energy drink may include heart palpitations, headaches, tremors, dizziness, chest pain, insomnia, numbness or tingling, agitation, respiratory distress and stomach aches, according to Caffeine Informer. Therefore if you take the drink six hours before you sleep, it may interfere with your nerves which are responsible for sleep hence making you stay awake for a long time. The study consisted of 13 participants who were experienced in endurance training. Caffeine is known to stimulate the brains whereby one remain active for up to six hours. Now a study has shown the remarkable impact a single can of an energy drink, such as Red Bull, can have on your short term health. One 250ml can of Red Bull … Red bull is added caffeine due to its significant effects in keeping a person alert and concentrate. Red Bull vs Coffee – Differences. The active ingredient in both these drinks is caffeine (one 250 ml can of Red Bull contains 80 mg of caffeine, which is about the same amount of caffeine as in a cup of coffee), a mild stimulant which can increase concentration, metabolism, energy, and reaction time. Besides the harmful effects reported from taurine accumulation with excess intake, data exist which have associated varying effects ranging from acute renal failure from excessive Red Bull consumption, increase in systolic and diastolic blood pressure as well as heart rate, and even reduced blood supply to the brain