For additional information on becoming a medical nutrition therapist/registered dietitian, visit these websites: 

American Dietetic Assoc
With nearly 65,000 members, the American Dietetic Association is the nation’s largest organization of food & nutrition professionals. ADA serves the public by promoting optimal nutrition, health & well-being.

CDR
The CDR is the credentialing agency for the American Dietetic Association, and has sole and independent authority in all matters pertaining to certification.  

Commission on Accreditation for Dietetics Education
The Commission on Accreditation for Dietetics Education is ADA's accrediting agency for education programs preparing students for careers as registered dietitians or dietetic technicians, registered.