Psyllium is the husk of the seed of the Plantain, Native to India and Iran, it is a fantastic source of fibre and valuable addition to your diet. Psyllium Husks are a fantastic source of fibre. In fact in Aryuvedic medicine they are used for cleansing of the colon. They are a valuable addition to your diet to help keep you regular. Psyllium husks are indigestible and, as a result, pass through the body as inert fibre, providing bulk to keep food moving through the digestive tract, improving regularity and maintaining healthy bowel function. Many commercially available fibre supplement drinks contain psyllium husks as their main ingredient.