Psyllium. Ua ʻae ʻo Commission E a me ka World Health Organization e hāʻawi ka hua a me ka husk o ka psyllium blond i ke kōkua mai ka constipation; hoʻomaikaʻi i ka peristalsis (nā neʻe o ka digestive tract) a me ke ʻano o ka stool (ʻoi aku ka palupalu), ʻoi aku i nā maʻi me mau māwae anal.