This study evaluated the toxicity of RedBull, caffeine, sucrose, and taurine. The analysis, done at the Karlsruhe Institute of Technology on Zebrafish larvae and PAC 2 cells, tested a range of concentrations of the substances. At 24h exposure, live cells observed in 100% RedBull showed major change in shape. Cells seemed unaffected in 50% Red Bull but dying in 10% …