What does it take to become a Registered Dietitian?

Although the terms dietitian and nutritionist are commonly used interchangeably, there are important differences between the two. All Registered Dietitians are considered nutritionists, that is, someone who has studied nutrition; however, not all nutritionists can also call themselves dietitians.

A Registered Dietitian (RD) or Registered Dietitian Nutritionist (RDN) is a food and nutrition expert who has met the following academic and professional requirements:

Over half of RDs also hold advanced degrees. Some hold additional certifications in specialized areas of practice, such as pediatric or renal nutrition, nutrition support and diabetes education.

Learn more about the career path as a registered dietitian and search for opportunities in your area.

Research for this post was provided by dietetic intern and RD-to-be, Alex Forsythe.


Lara Field MS, RD, LDN is a Registered Dietitian and Specialist in Pediatrics with over a decade of clinical and client experience. When she’s not actively working to keep her clients healthy, she’s a busy mother of two active boys and loves testing new recipes in her kitchen. Follow her on Instagram to see her recipe ideas, product suggestions, and see how she manages a healthy lifestyle @larafield.