Dr. John Dempster,
Naturopathic Medicine
97 Scollard Street, Toronto ON, M5R 1G4
Years of experience 15

Total years in practice: 15

Practice Name
The Dempster Clinic
Practitioner Name
Dr. John Dempster,
Naturopathic Medicine
Autoimmune Disease | Digestive Health | Mental Health And Behavior
About me



Dr. John Dempster, ND is a board-certified Naturopathic Doctor and the Founder and of The Dempster Clinic –Center for Functional Medicine.

Dr. Dempster, ND focuses on a Functional Medicine model when treating patients who suffer from various conditions such as mental illness, autoimmune disease, digestive disorders, and more.

In addition, Dr. Dempster, ND has a strong passion for helping patients embrace an optimal aging philosophy, where he supports them in achieving a longer, healthier, and more fulfilling life. By referring to functional medicine testing, his approach emphasizes the importance of optimizing biochemical, metabolic, and hormonal functions within the body.

As a strong believer in integrative and evidence-based medicine, Dr. Dempster, ND has also completed an advanced fellowship in Functional, Regenerative, and Anti-Aging Medicine.

Dr. Dempster, ND frequently conducts research on relevant health issues and speaks to corporations about various health and wellness topics.  Dr. Dempster, ND is a sought-after speaker, and his work is frequently featured on national television and media sites worldwide.

In addition to working with patients at his Toronto-based clinic, Dr. Dempster, ND is also the co-founder of The Mental Wellness Summit, and The Mental Wellness Tribe, one of the world’s largest web-based forums that provides natural solutions and root cause resolution for mental illness.

Dr. Dempster, ND believes in the importance of living a well-balanced life.  He is extremely passionate about the outdoors and is an avid downhill skier, fly fisherman, and white water canoeist.  Dr. Dempster, ND has paddled some of Canada’s most famous Arctic Rivers such as Mountain River, Burnside River, and the Coppermine River.  When not working, Dr. Dempster, ND enjoys spending time with family.


Licensed To Practice Naturopathic Medicine In Ontario (CONO)

Licensed To Practice Parenteral (IV) Therapy In Ontario (CONO)

Ontario Association Of Naturopathic Doctors, Member

Canadian Association Of Naturopathic Doctors, Member

Board Certified Fellow In Anti-Aging, Regenerative, And Functional Medicine (FAARFM)

Board Certified Member Of The American Board Of Anti-Aging Health Practitioners (ABAAHP)

Bachelor Of Science With Honours, Biological Science, University Of Guelph, Ontario, Canada

Gluten Free Society Certified Practitioner

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