Only the dried form of alder buckthorn should be used. Capsules providing 20 to 30 mg of anthraquinone glycosides (calculated as glucofrangulin A) per day can be used; however, the smallest amount necessary to maintain regular bowel movements should be used.⁴ As a tincture, 5 ml once at bedtime is generally taken. Alder buckthorn is usually taken at bedtime to induce a bowel movement by morning. It is important to drink eight six-ounce glasses of water throughout the day while taking alder buckthorn, and to consume plenty of fresh fruits and vegetables. Alder buckthorn should be taken for a maximum of eight to ten days consecutively or else it can lead to dependence on it to have a bowel movement.⁵ Some people take peppermint tea or capsules with alder buckthorn to prevent griping, an unpleasant sensation of strong contractions in the colon sometimes induced by the herb.