Illinois Statutes Chapter 225. Professions,Occupations and Business Operations § 30/15. License required

(a) No person may provide, offer to provide, or attempt to provide medical nutrition therapy, whether for remuneration, or hold himself or herself out as a licensed dietitian nutritionist or as a qualified provider of nutrition care services, including medical nutrition therapy, unless the person is licensed in accordance with this Act.

(b) This Section does not prohibit the provision of medical nutrition therapy by: a person who is licensed to practice dietetics and nutrition under the law of another state, territory of the United States, or country and has applied in writing to the Department in form and substance satisfactory to the Department for a license as a dietitian nutritionist until (i) the expiration of 6 months after filing the written application, (ii) the withdrawal of the application, or (iii) the denial of the application by the Department.

(c) For the purposes of this Section, the “practice of dietetics and nutrition” means the integration and application of scientific principles derived from the study of food, nutrition, biochemistry, metabolism, nutrigenomics, physiology, food management, and behavioral and social sciences in achieving and maintaining patients' and clients' health throughout their life spans and in providing nutrition care services in person and via telehealth in both clinical and community settings. The primary functions of the “practice of dietetics and nutrition” are medical nutrition therapy provided for the purpose of disease management or to treat or rehabilitate an illness, injury, or condition and other nutrition care services provided for health and wellness and as primary prevention of chronic disease.