The American Clinical Board of Nutrition (ACBN) is a certifying agency in nutrition. The ACBN was accredited by the National Commission for Certifying Agencies (NCCA) in 2005. The ACBN is one of only a very few certifying agencies in nutrition to offer Diplomate status to all professionals in the health care field, beyond the doctorate level in the United States and Internationally. Certificants of the ACBN hold the distinction of Diplomate, American Clinical Board of Nutrition (DACBN)
Founded in 1986 the ACBN is a professional certification organization acting in the public interest by establishing education, examination, experience, and ethics requirements for certification.