A bachelor's degree in nutrition requires four years of full-time study that qualify a graduate for entry level positions in dietetics or food service, often in a hospital. A master's degree, which can widen career opportunities, requires two more years of full-time study beyond the the undergraduate level. Those wishing to concentrate on teaching or educational research usually seek a Ph.D. or Ed. D. degree in nutrition education. In addition to an academic degree, most legitimate nutritionists seek professional certification.
Board certification requires passage of comprehensive examination.
To qualify, they must have appropriate professional experience and pass a comprehensive written test covering all aspects of nutrition and food-service management. Most active R.D.s work in hospitals. Typically, they counsel patients and conduct classes for pregnant women, heart and kidney patients, diabetics, and other persons with special dietary needs. Some dietitians do research. Others engage in private practice where they counsel physician-referred clients.