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Your Trusted Functional Medicine Clinic in Whitby
Centre for Advanced Medicine is a multidisciplinary integrative medical clinic specializing in functional medicine for complex health conditions. Our team of naturopathic doctors, medical doctors, PhDs, and allied health professionals employs advanced diagnostic testing and personalized treatment plans to address root causes of chronic illness. With expertise in autoimmune disorders, hormonal imbalances, and metabolic conditions, we combine cutting-edge research with natural therapies to restore optimal health.

Our patient-centered approach emphasizes collaborative care, education, and sustainable solutions for long-term wellness. Located in Durham Region, we serve patients from Whitby, Oshawa, Markham, and surrounding areas seeking comprehensive healthcare alternatives.
Services
Functional Medicine IV Infusion Therapy Lab Testing Hormonal Health Pediatric Functional Medicine
Highlights and features
  • We offer multidisciplinary expertise in functional medicine with NDs, MDs, and PhDs
  • Our team provides personalized treatment plans for complex chronic conditions
  • We utilize advanced diagnostic testing and evidence-based natural therapies
  • Our patient-centered approach emphasizes long-term sustainable health solutions
  • We serve patients from Whitby, Oshawa, Markham, and surrounding regions
What people say
Personalized treatment plans Knowledgeable multidisciplinary team Effective chronic condition management Advanced diagnostic testing Comprehensive patient education
Services
Functional Medicine
Our functional medicine approach addresses root causes of chronic illness through personalized treatment plans combining advanced diagnostics with natural therapies. We specialize in complex conditions like autoimmune disorders and metabolic imbalances. Our evidence-based approach integrates naturopathic medicine with conventional diagnostics for comprehensive patient care.
IV Infusion Therapy
IV infusion therapy delivers essential nutrients directly into the bloodstream for maximum absorption. We offer customized IV cocktails to support immune function, energy production, and detoxification. This treatment benefits patients with chronic fatigue, fibromyalgia, and other complex health conditions requiring targeted nutritional support.
Lab Testing
Our advanced lab testing services include functional assessments for hormonal imbalances, food sensitivities, and metabolic disorders. We utilize specialized testing to identify root causes of chronic conditions. These diagnostic tools help create personalized treatment plans tailored to each patient's unique health needs.
Hormonal Health
Our hormonal health services address thyroid dysfunction, adrenal fatigue, and sex hormone imbalances using bio-identical hormone therapy. We treat conditions like PCOS, menopause symptoms, and metabolic weight loss challenges. Our approach combines lab testing with natural interventions for optimal hormonal balance.
Pediatric Functional Medicine
Specialized functional medicine care for children with developmental, behavioral, and chronic health concerns. We address gut health, food sensitivities, and neurodevelopmental conditions through personalized treatment plans. Our approach focuses on nutritional support and natural interventions for pediatric patients.
People
Dr. Leigh Arseneau
Medical Director & Naturopathic Doctor
Dr. Arseneau founded the clinic after personal experience with his mother's chronic illness. He specializes in functional medicine with focus on complex health conditions. His approach combines naturopathic principles with advanced diagnostics.
Nicole Arseneau
Fitness & Nutrition Coach
Published fitness model and certified nutrition coach with expertise in body transformation and functional nutrition. She founded Innerstrong Fitness and develops tailored dietary programs for patients.
Dr. Ilona Dreyzin
Hormone Consultant
Specializes in hormonal health and bio-identical hormone therapy. Provides expert consultation for endocrine system disorders and menopausal support. Collaborates with other practitioners for comprehensive patient care.
Dr. Aaron Goldman
Lifestyle Genetics Specialist
PhD researcher focusing on genetic factors affecting health outcomes. Develops personalized treatment plans based on genetic testing and epigenetic factors. Integrates genomic insights into functional medicine practice.
Dr. Tatiana Khoudiachova
Naturopathic Doctor
Focuses on women's health and metabolic weight loss. Combines naturopathic medicine with evidence-based nutritional strategies. Treats hormonal imbalances and related health conditions using natural therapies.
Questions
What is functional medicine?
Functional medicine focuses on identifying and addressing root causes of chronic illness through personalized, evidence-based natural treatments and advanced diagnostics.
Do you treat pediatric patients?
Yes, we offer specialized functional medicine care for children with developmental, behavioral, and chronic health conditions.
What diagnostic testing options are available?
We offer advanced functional testing including hormonal assessments, food sensitivity panels, and metabolic diagnostics.
Are naturopathic services covered by insurance?
Many extended health plans cover naturopathic services. Check with your provider for specific coverage details.
What are your clinic hours?
We operate Tuesday-Friday with extended hours on Wednesdays and Thursdays. Closed weekends and Mondays except our Markham location.
How do I schedule a consultation?
Book your free exploratory consultation through our website or by calling our Whitby clinic directly.
Reviews (6)
Irene Lau
Nov 28, 2021 Report
I came in for my daughter who had a very tough time with inflammation in her brain. She could not go to school. She was not functioning well at all. She was seen by a psychiatrist and MDs, but she had side effects and wasnt responding well to her meds they prescribed (even after the initial time period) until she went into CAM . Dr Arseneauxs protocol to reduce her inflammation had great improved her ability to function properly and made her prescribed meds work better. Shes back to school and doing great!! Functional medicine works well to reduce inflammation!
Rae Bryan
Nov 17, 2021 Report
The Centre for Advanced Medicine has had such a positive change on my health and overall well being. Dr. Gordon Ko in conjunction with Dr. Arseneau have helped me find the cause to my chronic fatigue, pain and brain fog. They were able to pinpoint the systems causing my issues and develop a treatment plan that holistically targets the issues (gut and cellular health). I would highly recommend the Dr. Ko and Dr. Arseneau for your care.
Vanessa W.
Nov 15, 2021 Report
Wonderful team of individuals. Dr. Leigh has been so helpful in such a short period of time, I've seen results in my treatment and continue to thrive in his care. Best choice I made for my health.
Kalina Bogdanova
Nov 09, 2021 Report
Extremely happy with the results after following the prescribed protocols. Very knowledgable and caring team of naturopaths and staff. I got answers of questions I had on my historic blood work results that my family doctor never gave. Strongly recommend this clinic.
Gomez Harrison
Nov 02, 2021 Report
When I was much younger my dad taught me how not to give up in any situation I found myself an that has kept me going. I was diagnosed with herpes an told no cure, didn't give up, i keep searching for any… possible cure, came across a review on facebook on how doc Ihionkhan have used local medicine to cure lots of people from Herpes and other problems. I took the herbal medicine for two weeks an was cured also. before I ordered doctor Ihionkhan's herbal products i promised to share the testimony through all social media if his herbal products actually work for me, right now I am fulfilling
Trevor David
Oct 29, 2021 Report
Dr. Arsenault is amazing! I has such a thorough understanding of the underlying factors that can impact your condition. It was such a breath of fresh air to finally speak with someone who was prepared to explore the underlying conditions as opposed to just prescribing a pill.