Canada-Places.com has listed approx 3 nutritionists in Ottawa. Some of the Top rated nutritionists in Ottawa are- Mackenzie Michalczuk Registered Dietitian - Loblaws Ottawa, Bianca Santaromita-Villa - Registered Dietitian - Nutrition Services at Loblaws & Mackenzie Michalczuk - Loblaws Dietitian (Vanier Rideau & Isabella).