The vast majority of turmeric(curcumin) comes from India. Turmeric is one of the key ingredients in many curries, giving them color and flavor. The root and rhizome (underground stem) are used medicinally.
In Ayurvedic medicine, turmeric(curcumin) was prescribed for treatment of many conditions, including poor vision, rheumatic pains, and coughs, and to increase milk production. Native peoples of the Pacific sprinkled the dust on their shoulders during ceremonial dances and used it for numerous medical problems ranging from constipation to skin diseases. Turmeric was used for numerous intestinal infections and ailments in Southeast Asia.