Best Curcumin protects cells and tissues by fighting free radicals and may help slow skin aging. This curcumin is grown, processed, encapsulated and packaged all by Sabinsa Corp. This curcumin has be used in more published studies than any other curcumin, including studies on cancer at the M.D. Anderson Cancer Research Center, U. of Texas and on Alzheimers and other brain malfunctions at UCLA in Los Angeles . BioPerine has been added to significantly increase the absorption.