The amount of caffeine in energy drinks can vary widely, and sometimes the labels on the drinks do not give you the actual amount of caffeine in them. What are energy drinks, and why can they be a problem?Įnergy drinks are beverages that have added caffeine. Some people are more sensitive to the effects of caffeine than others. Dependency, so you need to take more of it to get the same results.If you do eat or drink too much caffeine, it can cause health problems, such as: What are the side effects from too much caffeine?įor most people, it is not harmful to consume up to 400mg of caffeine a day. You may continue to feel the effects of caffeine for four to six hours. Within one hour of eating or drinking caffeine, it reaches its peak level in your blood. May interfere with the absorption of calcium in the body.Increases the release of acid in your stomach, sometimes leading to an upset stomach or heartburn.Is a diuretic, meaning that it helps your body get rid of extra salt and water by urinating more.Stimulates your central nervous system, which can make you feel more awake and give you a boost of energy.The amount of caffeine in different drinks can vary a lot, but it is generally:Ĭaffeine has many effects on your body's metabolism. Most people consume caffeine from drinks. So do energy drinks and "energy-boosting" gums and snacks. For example, some pain relievers, cold medicines, and over-the-counter medicines for alertness contain synthetic caffeine. There is also synthetic (man-made) caffeine, which is added to some medicines, foods, and drinks. Cacao pods, which are used to make chocolate products.Kola nuts, which are used to flavor soft drink colas.
Caffeine is a bitter substance that occurs naturally in more than 60 plants including:
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