What is the difference between a registered dietitian (RD) and a nutritionist?

Answer
The primary difference lies in the level of education, training, and professional regulation. A Registered Dietitian (RD) or Registered Dietitian Nutritionist (RDN) has met specific academic and professional requirements, which include earning a degree from an accredited university, completing a clinical internship, passing a national examination, and maintaining continuing education credits. RDs are legally qualified to provide medical nutrition therapy for diseases. On the other hand, the term 'nutritionist' is often broader and less regulated. While some nutritionists may have advanced degrees or professional certifications, the title can legally be used in many jurisdictions by individuals with little to no formal training. Therefore, while all RDs are nutritionists, not all nutritionists are Registered Dietitians.