In Ontario, anyone can legally provide nutrition information and call themselves a nutritionist. “Nutritionist” is not a protected title in Ontario. The title “Dietitian” is protected by law; that means only Registered Dietitians can call themselves “Dietitians”. What sets Registered Dietitians apart is that they are the only regulated nutrition profession in the province. And, they are accountable to the College of Dietitians of Ontario for safe, competent and ethical nutrition services. To use “Registered Dietitian”, “Dietitian” or RD in Ontario, you must be a member of the College of Dietitians of Ontario.