The European Food Safety Authority (EFSA) concluded that exposure to taurine and glucuronolactone at the levels presently used in energy drinks is not a safety concern. In a separate analysis, they also concluded that there is insufficient evidence to support a number of commercial health claims about taurine. A review published in 2008 found no documented reports of negative or positive health effects associated with the amount of taurine used in energy drinks, including Red Bull. The review also states that though the caffeine and sugar levels in the energy drink are comparable to those present in coffee and fruit juice respectively, these levels have been shown to cause adverse health effects.