National Center for Complementary and Integrative Health (NCCIH)NCCIH is the U.S. government’s lead agency for scientific research on complementary and integrative health approaches. As one of the 27 Institutes, Centers, and Offices that make up the National Institutes of Health (NIH) within the U.S. Department of Health and Human Services, NCCIH's mission is to determine, through rigorous scientific investigation, the fundamental science, usefulness, and safety of complementary and integrative health approaches and their roles in improving health and health care.
