It is recommended that healthy adults can safely consume around 400mg of caffeine a day. Similarly, dark chocolate has more caffeine than milk chocolate. For example, an espresso has more caffeine than instant coffee.

The amount of caffeine in food and drinks varies. Much of the medical research in this area has been into coffee, which contains caffeine and many other ingredients.

It’s not always clear how your body will respond to caffeine. If you have an existing medical condition, it’s a good idea to eat or drink less caffeine. This can make a normal amount of caffeine more dangerous. People with existing medical conditions, such as high blood pressure, may be more sensitive to caffeine. whether other food or drugs (including alcohol) are taken at the same timeĬaffeine stays active for longer in the bodies of:.whether you regularly eat or drink caffeine.guarana - a South American plant with high levels of natural caffeineĬaffeine can also be found in some prescription and over-the-counter medicines, such as some:.It can stimulate your brain and nervous system. Related information on Australian websitesĬaffeine is a chemical found in foods and drinks.Mixing caffeine with alcohol and other drugs.What are the long-term problems with consuming caffeine?.What are the short-term effects of consuming caffeine?.What are the health benefits of consuming caffeine?.Caffeine is addictive and you may develop withdrawal symptoms when reducing your intake.Caffeine is found naturally in coffee, tea leaves, cocoa beans, guarana and chocolate.Caffeine is a stimulant that acts on your brain and nervous system.

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