Taurine chemically known as 2 aminoethanesulfonic acid; NH2CH2CH2SO3H it’s a non essential amino acid, due to absence of carboxyl group it does not participate in protein synthesis, it does not metabolized and thus not involved in gluconeogenesis, thereby not constituting a direct energy source, This wonderful molecule was discover in 1827 by two German scientist Tiedemann and Gmelin from bile of ox (Bos taurus), Ten years later, this amino acid got its name as Taurine by Demarcay, and 20 years later Jacobsen and Smith discovered that its structure contains sulfur. In a wide variety of invertebrate and vertebrate tissues the natural occurrence of taurine has been recognized, It is also present in plants algae and fungi. In this review we try to cover all possible beneficial role of taurine.