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Leslie Beck

Canada's Leading Nutritionist

As one of Canada’s leading nutritionists, Leslie Beck operates a successful private practice in the heart of downtown Toronto. For the past 20 years, she has helped thousands of individuals achieve their nutrition and fitness goals. As a registered dietitian, Leslie operates an “integrative nutrition practice,” offering clients both dietary advice and science-based recommendations on the use of nutritional supplements.

Toronto, Ontario, Canada


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  • We would like to extend our sincere gratitude for your successful presentations. You were very informative and the feedback from the audience was extremely positive.

    - Toronto-Sunnybrook Regional Cancer Centre
  • This was a refreshing session. Leslie provided surprising new information and I think it is very important to include sessions on health and well being.

    - ScotiaMcLeod
  • I would like to thank you for the time, energy and enthusiasm that you gave to your presentation...this was the best meeting in recent memory. Thank you for being such a joy to work with.

    - Ontario Dental Association

Summary Profile

As one of Canada’s leading nutritionists, Leslie is the National Director of Nutrition at BodyScience Medical and has run a thriving private practice in the heart of downtown Toronto since 1989. She continues to help thousands of individuals achieve their nutrition and health goals. Her integrative approach offers clients dietary advice, personalized meal plans and science-based recommendations on the use of nutritional supplements. At BodyScience Medical, Leslie oversees the development and delivery of all nutrition programs including; the HormoneSyncTM program and one-on-one customized diet plans.

Leslie is recognized by the media as an authority on nutrition and food issues and is an experienced communicator in television, radio and print media. She writes a weekly column in The Globe and Mail, Canada’s national newspaper and appears every Thursday on CTV News Channel’s Direct noon show. Leslie’s nutrition advice can also be heard weekly on Montreal’s CJAD Morning Radio. Leslie is the best-selling author of 11 books on nutrition and health: Leslie Beck’s Healthy Kitchen (January 2012), Leslie Beck’s Longevity Diet, The Complete A to Z Nutrition Encyclopedia Heart Healthy Foods for Life, Foods that Fight Disease, The No-Fail Diet, 10 Steps to Healthy Eating, Healthy Eating for Preteens and Teens, Leslie Beck’s Nutrition Guide to a Healthy Pregnancy, The Complete Nutrition Guide to Menopause, and The Complete Nutrition Guide for Women. Her books are published by Penguin Group Canada.

Leslie consults with many leading businesses and international food companies and delivers nutrition seminars and workshops to corporate groups in North America. Leslie is a member of the Board of Directors of the Royal Agricultural Winter Fair. Having a strong interest in sports nutrition, Leslie acted as nutritionist to the Canadian International Marathon and the NBA’s Toronto Raptors Basketball Club. Leslie keeps fit herself by running, cycling, and weight training.

Born and raised in Vancouver, British Columbia, Leslie obtained her Bachelor of Science (Dietetics) from the University of British Columbia and proceeded to complete the dietetic internship program at St. Michael’s Hospital in Toronto. She studied a Masters in Epidemiology at the University of Toronto. She is a member the College of Dietitians of Ontario and Dietitians of Ontario and Dietitians of Canada.