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Nutrition  Essentials

Posted By Emanuel Joseph     August 15, 2018    


Dietitian vs. nutritionist

A re gistered dietitian nutritionist (RD or RDN) food, nutrition, and dietetics through an accredited university and approved curriculum, then completes a rigorous internship and passes a licensure exam to become a registered dietitian.

A nutritionist (without the title of an RD or RDN) studies nutrition via self-study or through formal education but does not meet the requirements to use the titles RD or RDN. The two terms are often interchangeable, but they are not identical.


Dietetics is the interpretation and communication of the science of nutrition; it helps people make informed and practical choices about food and lifestyle in both health and disease.

Part of a dietician's course includes both hospital and community settings. Dietitians work in a variety of areas, from private practice to healthcare, education, corporate wellness, and research, while a much smaller proportion work in the food industry.

Fast facts on nutrition

  1. The human body requires seven major types of nutrients.
  2. Not all nutrients provide energy but are still important, such as water and fiber.
  3. Micronutrients are important but required in smaller amounts.
  4. Vitamins are essential organic compounds that the human body cannot synthesize.