It is said that Polynesian Islanders first cultivated and domesticated the noni tree over 2,000 years ago. They used the leaves and fruit as a topical medicine, applying it to boils, lesions, and other skin maladies.
Various other cultures have used the fruit as famine food, livestock feed, topical and internal medicine, and dye. People in China, Japan, and Hawaii have used noni to treat fever, as well as problems with eyes, skin, gums, throat, stomach, digestion, and respiration. In Malaysia and the Philippines, the leaves have been used to relieve cough, nausea, colic, and arthritis. In Indonesia, the fruit has been eaten for asthma, lumbago, and dysentery.
The noni tree, and more specifically its fruit, has been scientifically studied for decades. In 1972, a scientist named Maria Stewart reported that native Hawaiians solve many of their medical problems by drinking noni fruit juice. A University of Hawaii professor named R.M. Heinicke latched on to this idea and began a 20-year study into the properties of noni fruit. In the 1990