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About Nutrition What Is Nutrition? Is Nutrition Right for Me? How Do I Choose?

Glossary Treatment Applications Types of Nutrition Credentials

CN
A certified nutritionist has normally completed a minimum of a bachelor's degree at a school accredited by the Commission on Accreditation for Dietetics Education of the American Dietetic Association, as well as a supervised practice program at a health care facility, community agency, or food service corporation. He or she must then obtain a private CN license.

RD
A registered dietitian has completed a minimum of a bachelor's degree at a school accredited by the Commission on Accreditation for Dietetics Education of the American Dietetic Association, as well as a supervised practice program at a health care facility, community agency, or a food service corporation. He or she must pass an exam administered by the Commission on Dietetic Registration and complete continuing professional educational requirements.