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About Catherine O'Halloran and The Nutrition Advantage

Catherine O'Halloran

Catherine O’Halloran is a registered dietitian and the owner of the Nutrition Advantage. This nutrition counseling firm specializes in health promotion, disease prevention, sports nutrition, and corporate nutrition programs. 

Catherine studied nutrition at The University of Western Ontario and completed her post-graduate dietetic internship program at the Ottawa Civic Hospital.  While interning, Catherine developed the Sports Nutrition Program for Canada’s Men’s National Basketball Team.


Catherine’s clients have included leading companies such as National Bank, Ubisoft, Revenue Canada, Carleton University, National Research Council, National Basketball and Biathlon teams and the Ottawa Senators Hockey Club. Catherine taught nutrition at the University of Ottawa and both Kemptville and Algonquin Colleges in the Ottawa area. Most recently Catherine has provided nutrition consulting services to a leading executive health clinic in downtown Toronto.


Catherine is a member of the College of Dietitians of Ontario and past recipient of the profession’s Peer Recognition Award for her work in the field of nutrition.


Whether you are a competitive or recreational athlete, a dedicated executive or simply looking to live a healthy and active life, your diet is one of the biggest determining factors to live a healthy lifestyle. Catherine can help you achieve your nutrition goals.


Catherine now runs The Nutrition Advantage from Toronto. She practices a healthy lifestyle, which includes eating well, playing competitive tennis and cycling with her husband and family.

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