Most energy drinks contain large amounts of caffeine, which can provide a temporary energy boost. Some energy drinks contain sugar and other substances. The boost is short-lived, however, and may be accompanied by other problems.
For example, energy drinks that contain sugar may contribute to weight gain — and too much caffeine can lead to nervousness, irritability, insomnia, rapid heart beat and increased blood pressure. They can also be habit forming.
For most people, occasional energy drinks are fine. If you're consistently fatigued or rundown, however, consider a better — and healthier — way to boost your energy. Get adequate sleep, include physical activity in your daily routine and eat a healthy diet. If you feel you need a little something to help you through a workout, try a cup of coffee instead. It contains 90-150mg of caffeine, depending on the strength of the brew, and you can control the sugar content.
Not keen on coffee? Try a piece of fruit, such as an apple, which will give your insulin a slight spike, producing the energy you need to push through your routine.
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