The noni, also known as Indian Mulberry, is a small evergreen tree native to Southeast Asia, Australia, and islands of the south Pacific. Usually growing to about 3 meters in height (although it may occasionally grow as tall as 6 meters), noni has dark green, oval-shaped leaves, which grow in pairs except for where the fruit is attached. The leaves are thick and deeply veined, and may be over 20 centimeters in length. The flowers form in spherical heads containing numerous small white blossoms. The flower heads eventually grow into small fruit (8 to 12 centimeters in diameter), which are yellow when ripe and possess a strong, unpleasant odor. The fruit and its juices are used for health-promoting purposes.
Noni contains an anthraquinone compound known as damnacanthal, along with a number of glycosides. It also contains high concentrations of potassium
The recommended daily dose ranges from 1 to 4 ounces of noni juice per day, on an empty stomach. Noni has no known toxicity and appears to be well tolerated at this dosage range. Noni is not recommended for people with renal disease due to the herb's high potassium content. Because little is known about noni's potential for interaction with other drugs, people taking prescription medications should only take noni under a physician's close supervision.