U.S.Food and Drug Administration is The Nation's Premier Consumer Protection And Health Agency.FDA is an agency within the Department of Health and Human Services and consists of eight centers/offices, which are listed below. Selecting a center/office will take you to its home page. You may also view the agency's organizational charts. You may also read an overview about FDA and what the agency does to protect public health:Center for Biologics Evaluation and Research (CBER) Center for Devices and Radiological Health (CDRH) Center for Drug Evaluation and Research (CDER) Center for Food Safety and Applied Nutrition (CFSAN) Center for Veterinary Medicine (CVM) National Center for Toxicological Research (NCTR)Office of the Commissioner (OC)Office of Regulatory Affairs (ORA)