Curcumin C3 Reduct, Sabinsa’s new patented and clinically safe 95% tetrahydrocurcuminoids, is the result of recent research into metabolites of curcuminoids that have unraveled the role of tetrahydrocurcuminoids as not only the major metabolites but also pharmacologically superior than curcuminoids themselves. It is not the curcumin, but its metabolite, tetrahydrocurcumin (THC), which is responsible for its biological function in the body.