| A | B |
| clinical dietitian | provides care for patients in hospitals, nursing homes |
| renal dietitian | provides care for patients in dialysis and kidney disease |
| consultant dietitian | work under contract to provide diet services |
| community dietitian | counsels to prevent disease and promote health |
| business dietitian | work for food companies in product development |
| management dietitian | supervise large scale food production |
| research dietitian | conduct studies in hospitals or universities |
| registered dietitian | have earned the RD credential |