4. After 1 hour
You will experience a sugar and caffeine crash. Once the caffeine has worn off, we are likely to experience energy crash and low moods. Your energy levels will start to fall and you will feel tired. This constant ups and downs of energy and sugar levels can really affect our work, exercise, or whatever we are using the energy drink for.
5. After 5-6 hours
This is the half life of caffeine, meaning it takes 5-6 hours for your body to reduce the content of caffeine in your bloodstream by 50%. Although women who take an oral contraceptive, this time is doubled.
6. 12 hours
Around 12 hours after finishing Red Bull or any other energy drinks, the caffeine will be out of most people’s bloodstreams, but it does vary from person to person and depends on how active you are.
