Dietitians help by empowering their clients to embrace food, to understand it, and to enjoy it. The advice and information they provide is tailored to their clients personal needs and challenges, including taste and accessibility. They translate the science of nutrition into terms everyone can understand to support healthy living for all Canadians.

Treatment plans involve medical nutrition therapy and may include oral diet modification and or supplementation, as well as more invasive nutrition support techniques such as enteral nutrition or parenteral nutrition. Nutrition care also involves patient and family education, and counselling on diet and lifestyle changes to improve or maintain health.

Registered dietitians are governed by the Regulated Health Professions Act through the College of Dietitians of Ontario in order to ensure safe and quality nutrition care is provided to the public.