Glycolys or sodium carboxymethyl starch, is a very well-known and widely used superdisintegrant for all solid oral dosage forms. It has a potato starch base and the capacity to swell up to 280 – 320 times its original granule volume. It is a versatile excipient suitable for wet / dry granulation as well as direct compression and can be incorporated in intra and / or extra-granular modes.