Turmeric extract (Curcumin C3 Complex®) is prepared from the dried rhizomes of turmeric (Curcuma longa) and contains a minimum of 95% curcuminoids. The name curcumin C3 Complex has reference to its three main compounds - curcumin, demethoxycurcumin (DMC), bisdemethoxycurcumin (BDMC).