No Bull about it! Taurine is not derived from bull sperm. It was first discovered by scientists in Bull's poop. Beef is rich in the stuff. A myth has proliferated that the taurine you find in energy drinks comes from bull sperm. That’s false. In fact, the taurine found in energy drinks is plant based.
Taurine is an amino acid naturally produced in our bodies and it plays a role in a number of different physical processes.