KGK Science is a contract research organization that specializes in human clinical trials for the nutraceutical, dietary supplement and functional food industry and is KGK Science is an industry-leading Contract Research Organization accomplished in the design and execution of Phase I-IV clinical trials within the dietary supplement, functional food, and natural product industries. With locations in both Canada and the United States, we are recognized internationally for their ethical and specialized study of natural health products. Established in 1997, KGK's dedicated and experienced staff consists of board-certified physician-investigators and certified clinical research coordinators.