These leaves are used to make a tea that works as a laxative for people suffering from constipation. It also may soothe the symptoms of IBS.
To prepare tea using this herb, steep 1-2 grams in hot water for 10 minutes. it tastes a little bitter. You can add some honey to enhance its flavour.
This herb is safe. However, it is NOT recommended to consume it for long periods of time to avoid any undesirable side effects.