A person trained in the science of nutrition who gives advice about healthy eating and diets. In some places, the title is regulated; in others, it is used more loosely.
Formed from “nutrition” + the agent suffix “-ist,” meaning “a person who specializes in.” It became common as nutrition science grew in the 20th century.
A key detail is that “nutritionist” and “dietitian” don’t always mean the same thing; in many countries, “dietitian” is a more strictly regulated medical role. Always check qualifications, because anyone can talk about food, but not everyone has deep training.
Nutrition and diet advice professions have been feminized, with many practitioners being women and their work sometimes dismissed as “lifestyle” rather than serious science. Meanwhile, higher-status roles in nutrition research and policy have more often been occupied by men.
Use “nutritionist” or more specific credentials (e.g., “registered dietitian”) without assuming the practitioner’s gender, and avoid stereotypes about appearance or body size tied to the role.
["nutrition professional","dietitian","registered dietitian (RD/RDN)"]
Women have been key in developing community nutrition programs, public health campaigns, and dietary research, often bridging scientific knowledge and everyday practice.
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