Psyllium Husks (Powder) 500g An excellent source of 100% natural fibre Help promotes regularity Increases satiety Psyllium Husk Powder can be a convenient way to increase your intake of dietary fibre. It has the ability to swell up to 50 times its initial volume when added to liquid which plays an important role in maintaining regularity & gastrointestinal health. It has also been shown to help lower cholesterol.