A registered dietician (RD) is a food and nutrition expert who has successfully completed a minimum of a bachelor's degree at a US regionally accredited university or college and course work approved by The American Dietetic Association (ADA); an ADA-accredited or approved, supervised practice program, typically 6 to 12 months in length; a national examination administered by the Commission on Dietetic Registration; and continuing professional educational requirements to maintain registration.
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