Registered Dietitian vs. Nutritionist: Food and Health Science in Home Economics and Nutrition Majors

Tue, 10 Feb 2026 09:00:00 +0900

Two National Credentials for “Food and Health” Science

With growing health awareness globally, the demand for food and wellness experts is higher than ever. In Japan, two national qualifications represent this field: the Registered Dietitian (Kanri-Eiyoshi) and the Nutritionist (Eiyoshi). While both work with food, their scopes of practice and licensure pathways differ significantly.

This article clarifies the differences between these credentials and outlines what you will study in home economics and nutrition departments.

Nutrition on UniversityGuide

Registered Dietitian vs. Nutritionist: Food and Health Science in Home Economics and Nutrition Majors

Two National Credentials for “Food and Health” Science