What does red bull has to keep you awake?

Caffeine is a central nervous system stimulant that is found in coffee, tea, energy drinks, and chocolate. It works by blocking the effects of adenosine, a neurotransmitter that promotes sleep. Caffeine can help to improve alertness, focus, and reaction time.

Taurine

Taurine is an amino acid that is found in high concentrations in the brain and heart. It is thought to play a role in a variety of processes, including nerve transmission, muscle contraction, and antioxidant protection. Taurine can help to reduce fatigue and improve mental performance.

B vitamins

B vitamins are essential nutrients that are involved in a variety of bodily functions, including energy production, metabolism, and nerve function. B vitamins can help to improve energy levels and reduce fatigue.

Sugar

Sugar provides a quick source of energy. However, it can also cause blood sugar levels to spike, which can lead to fatigue and other problems.

In addition to these ingredients, Red Bull also contains carbonated water, citric acid, and natural and artificial flavors.