Annyck Besso

Registered Dietitian

Annyck Besso

Registered Dietitian

Treatment Modalities

  • Family Based Treatment
  • Intuitive Eating
  • Health at Every Size®
  • Cognitive Behavioral Therapy
  • Acceptance and Commitment Therapy
  • Dialectical Behavioral Therapy


  • Eating Disorder Recovery
  • Sports Nutrition
  • Anti Diet Nutrition Interventions
  • Integrative nutrition

Annyck is a Registered Dietitian with an expertise in the treatment of eating disorders in both private and academic medical center settings. After completing a Bachelors in nutrition and dietetics, Annyck received her Masters in dietetics at McGill University. Annyck began her career in the field of eating disorders working on an inpatient and outpatient pediatric unit at the Douglas Mental Health University Institute in Montreal.


Annyck then had the opportunity to further develop her expertise in the field of eating disorders during her stay in Washington, D.C. from 2017-2020. During that time, Annyck worked in private practice and collaborated closely with medical doctors and mental health professionals. She also developed and directed a day program where people of all ages were admitted and treated 20h per week.


Annyck has received specialty training in evidence-based approaches such as Cognitive Behavioral Therapy (CBT), Family Based Treatment (FBT), Acceptance and Commitment Therapy (ACT) and Dialectical Behavioral Therapy (DBT), which she uses in her nutrition interventions.


Annyck provides inclusive care to people of all genders, ages, races, ethnicities and sizes. Annyck offers collaborative care, believing that clients are experts on their experience and their values. Annyck applies principles of Health at Every Size® and Intuitive Eating to her nutrition interventions and offers a safe virtual space for clients to explore how systemic rules have impacted their perception of food and their body.


Because of her love of sport, Annyck also has an interest in sports nutrition. Annyck specializes in the treatment of Relative Energy Deficiency in Sport, micronutrient deficiencies in sport, and fueling to optimize recovery and performance.


In Annyck’s work, she applies therapeutic modalities to address emotional and physical vulnerabilities that contribute to ineffective relationships with food. Annyck will assist clients in becoming mindful of how physical, social and emotional aspects of eating can affect food choices and self-confidence. Annyck is bilingual in French and English and provides insurance receipts.