Registered dietitians (RDs) are food and nutrition experts who have
completed a minimum of a bachelor's degree at a U.S. regionally
accredited university or college and completed a CADE-accredited
supervised practice program at a healthcare facility, community
agency, or a foodservice corporation. Additionally, they must pass a
national examination administered by the Commission on Dietetic
Registration (CDR) and complete continuing professional educational
requirements to maintain registration. This is a legally protected
In addition to RD credentialing, many states have regulatory laws for
dietitians and nutrition practitioners. Frequently these state
requirements are met through the same education and training
required to become an RD.
Nutritionists are those that speak with others concerning
nutrition. This is not a legally protected title. Anyone may use
this label to describe themselves regardless of their education,
or experience with nutrition.