is taurine found in bull sperm
Taurine is present in bulls livers, semen and urine. One thing is certain, the taurine used in energy drinks such as Red Bull is taken from these sources. Taurine found in energy drinks is a byproduct of bull testicles, it is considered not to be vegetarian friendly. The ingredient is taurine, a naturally occurring substance that is present in bull bile and breastmilk.