The liver is a large organ that sits on the right side of the belly. The liver works together with other organs to digest, absorb, and process food. The liver filters the blood coming from the digestive tract, before passing it to the rest of the body. The liver also detoxifies chemicals, metabolizes drugs and makes proteins important for blood clotting and other functions.

Ingredients which are added to energy drinks also occur naturally. Health authorities across the world have concluded that the ingredients contained in energy drinks are safe to consume. Furthermore, energy drinks are classified as normal foodstuff; all added ingredients are labelled on the product.