Raab organic psyllium husk capsules contain finely ground psyllium shell powder. The powder is rich in vegetable fiber. Ground psyllium shells have an even greater source volume than entire psyllium husks and can bind the 45 times their weight on water. With 82 % plant fiber dates 8 capsules at once or over the day. Pay attention to sufficient water supply. Drink at least 500 ml after taking the capsules or ground 2 liters a day.