Turmeric extract. The rhizome (horizontal stem—usually underground) of turmeric (Curcuma longa) has long been used in traditional Asian and Ayurvedic medicine 1. Turmeric contains curcumin, volatile oils, sugars, proteins and resins 2.
The disposition of curcuminoids in the human body following oral ingestion is not well understood. Animal studies indicate that is poorly absorbed; absorption appears to be improved when it is taken with food 3. Due to its questionable absorption, curcumonoid supplements are often formulated with bromelain to enhance its absorption 3.