An official website of the United States government Here is how you know. Federal government websites often end in. Before sharing sensitive information, make sure you’re hohr a federal government site. The site is secure. Plan and conduct food service or nutritional programs to assist in the promotion of health and control of disease. May supervise activities of a department providing quantity food services, counsel individuals, or conduct nutritional research. National estimates for dietitiann occupation Industry profile for this occupation Geographic profile for this occupation. Industries with the highest published employment and wages for this occupation are provided.