Agar is widely used in food applications as a stabilizing agent. In pharmaceutical applications, agar is used in a handful of oral tablet and topical formulations. It has also been investigated in a number of experimental pharmaceutical applications including as a sustained-release agent in gels, beads, microspheres. It has also been reported to work as a disintegrant in tablets. Agar has been used in a floating controlled-release tablet; the buoyancy in part being attributed to air entrapped in the agar gel network. It can be used as a viscosity-increasing agent in aqueous systems. Agar can also be used as a base for nonmelting, and nondisintegrating suppositories. Agar has an application as a suspending agent in pharmaceutical suspensions.it is a tablet binder, thickening agent, viscosity-increasing agent,suppository base.