Bogbean leaf (Menyanthis folium)

Published February 1, 1990.
List of German Commission E Monographs (Phytotherapy)


Name of Drug

Menyanthis folium, bogbean leaf.

Composition of Drug

Bogbean leaf consists of the leaf of Menyanthes trifoliata L. [Fam. Menyanthaceae], as well as its preparations in effective dosage.

The drug contains bitter principles.


Loss of appetite, peptic discomforts.


None known.

Side Effects

None known.

Interactions with Other Drugs

None known.


Unless otherwise prescribed:

Daily dosage:

1.5 - 3 g of drug; Preparations with equivalent bitter value. Mode of Administration Comminuted herb for teas and other bitter-tasting preparations for internal use.


Stimulation of the secretion of saliva and gastric juices.