As a result of viewing this presentation, participants will be able to: Define the goals of cancer chemoprevention, eelate NCI guidelines for identifying and evaluating nutrients and diet-derived agents as chemo-preventive agents for prostate cancer and recognize the most promising nutrients identified as chemopreventive agents and describe their chemopreventive activity and the mechanisms that promote or slow the progression, or reverse or inhibit carcinogenesis; and discuss future directions for the use of nutrients in chemoprevention.