TORONTO AREA FUNCTIONAL MEDICINE

Markham Integrative Medicine is a leading clinic providing functional medicine services to patients in the Greater Toronto Area, Ontario, and beyond, both virtually and in person.

MEET DR. JOHN GANNAGE

Dr. John Gannage, MD, is a leader in Functional and Integrative Medicine and specializes in prevention and treatment of chronic disease using a combination of conventional and complementary medicine.

MCAS & HISTAMINE INTOLERANCE

Discover Dr. Gannage’s evidence-based, functional medicine approach to managing histamine intolerance and MCAS.

AUTISM SPECTRUM DISORDER

Learn more about the nutritional and environmental factors that may contribute to ASD, and the evolving landscape of integrative medical care for families.

LEADER IN INTEGRATIVE MEDICINE

Treating chronic, difficult health conditions using a combination of nutrition and herbs, in oral and injectable form, and pharmaceuticals where required.

MEET DR. JOHN GANNAGE

Dr. John Gannage is a leader in Integrative Medicine and specializes in prevention and treatment of chronic disease using a combination of conventional and complementary medicine.

MCAS & HISTAMINE INTOLERANCE

Discover Dr. Gannage’s no-nonsense, evidence-based, functional medicine approach to managing histamine intolerance and MCAS.

AUTISM SPECTRUM DISORDER

Learn more about the nutritional and environmental factors that may contribute to ASD, and the evolving landscape of integrative medical care for families.

Ready to Get Started?

Scroll Through Our Library...

Histamine Intolerance: The Game Changer in Chronic Illness

  Game-changing. Paradigm-shifting. Revolutionizing.  I am not one for hyperbole or exaggeration. But when I attend conferences, as I do often, and sift through the mounds of information, my service as a health practitioner is to bring to the clinic, on the...

The Risks of Ultra-Processed Foods + What to Eat Instead

Ultra-processed foods are not good for your body. This is probably not shocking news. But how bad are they? 

Top Foods with Mold to Avoid + Why

Mold is a type of fungus that has the ability to grow and thrive just about anywhere under various conditions. Warm, moist, and damp environments are particularly great places to grow. Some types of mold love to grow indoors, other types prefer the outdoors, and some can be found both indoors and outdoors. Some mold can even be found on your food.

Best Oil to Use in Your Kitchen

The best oils to use in your kitchen include olive oil, coconut oil, avocado oil, and flax oil — In fact, these are the only ones I recommend.

The Problem with Refined Oils: What Oils to Avoid in Your Kitchen

Not all oils are created the same. Some oils, such as refined vegetable oils, are not good for your body, while other oils are healthy fats that may help to improve your health.

I’m Gluten-Free. Should You Be Too?

Should I go gluten-free? I hear this question all the time at my office. Many are hesitant to remove gluten from their life and give up fluffy bread. But often once they embark on a gluten-free journey, they see their symptoms improve. 

Mold Matters: Understanding, Preventing, and Improving Mold-Related Health Issues

Chronic mold exposure can lead to chronic inflammation, chronic symptoms, and chronic health issues. It can also worsen existing chronic conditions, making recovery more difficult. Yet, mold is still not taken seriously enough, and underlying mold issues are often not addressed.

How Too Much Sugar Destroys Your Health

Do you need help reducing sugar in your life or addressing sugar-related symptoms? Looking at your nutrition is key to better wellness.

The Connection Between Spike Protein and Long COVID

Recent research has found that the COVID-19 spike protein may be responsible for not only the acute infection but long COVID as well.

Nutrition Tips

Top Tips to Improve Your Nutrition

Eating well can be more difficult than it sounds

 

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