Ash leaves are known for their purgative action!
Imposing in size (it can grow up to heights of 30 m), the ash (Fraximus excelsior) is said in Norse mythology to be the tree that holds up the world. As early as the 12th century, Abbess Hildegard of Bingen was recommending ash leaves as a way of "purging the body of water". In France, ash is used by country people to brew a refreshing drink by the name of Frênette. Today, ash leaves are known to contribute to normal kidney and bladder function, facilitate the body's elimination functions and play a role in weight control when used in addition to a balanced diet. It is also used for its purgative properties, stimulating the elimination of water and toxins (Dose: equivalent to 560 mg/day, i.e. corresponding to 5g/day of leaves).