Registered Dietitian (RD) or Registered Dietitian Nutritionist (RDN)* Certification

Who is an RD?

RDs are food and nutrition experts who have met the Commission on Dietetic Registration’s (CDR) criteria to earn the RD credential. RDs work in a wide variety of employment settings, including health care, business and industry, community/public health, education, research, government agencies and private practice. For additional information about registered dietitians, refer to the Scope of Practice documents and Academy Definition of Terms.  


RD Examination

After successfully completing eligibility requirements and being validated by CDR, individuals are eligible to take the registration examination for dietitians.


Resources for RDs and Employers

Find resources related to the maintenance and usage of the RD credential.



*Please note the RDN and RD are two credential designation options for one certification program. Practitioners may choose to use one or the other. For more information, click here