About Registered Dietitian Nutritionists

What is a registered dietitian?

Nutrition Word Cloud

A Registered Dietitian Nutritionist, or RDN, is a food and nutrition expert who can translate the science of nutrition into practical solutions for healthy living. Registered Dietitian Nutritionists use their nutritional expertise to help individual make unique, positive lifestyle changes.

What are a dietitian's credentials?


Registered Dietitian Nutritionists (RDNs) must meet the following criteria:

  • Complete a minimum of a Bachelor's Degree

  • Complete a supervised program of practice at an accredited health-care facility

  • Pass a national examination administered by the Commission on Dietetic Registration (CDR)

  • Complete continuing professional education requirements to maintain registration