About Doug - Kyle Byron - Toronto Nutritionist
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Doug’s Story

Expanded list of conditions treated:

Gut and digestive health

  • General digestive health
  • IBS & IBD [Crohn’s and Ulcerative Colitis)
  • Celiac disease
  • Reflux & GERD
  • Gas & bloating
  • SIBO
  • Non-celiac wheat sensitivity
  • Eosinophilic esophagitis (EoE)

Brain and mental health

  • Depression & anxiety
  • General cognitive health
  • Post concussion treatment
  • Gut, brain (and microbiota) connection
  • ADHD
  • Dementia
  • Bipolar disorder

Metabolic health

  • Bone health
  • Type 2 diabetes & PCOS
  • Pre-diabetes, insulin resistance [hyperinsulinemia]
  • Lipid management [cholesterol, LDL, HDL, triglycerides]
  • High blood pressure
  • Cardiovascular health
  • Kidney disease
  • Fatty liver disease

Healthy aging nutrition

  • Age-related muscle loss
  • Bone health
  • Cognitive health
  • Energy metabolism [optimizing mitochondrial health, NAD+ etc]
  • Longevity & anti-aging nutrition

General nutrition coaching

  • Supplement review & fine-tuning
  • Diet overhaul
  • Vegetarian & vegan diets
  • Nutrition for healthy immunity
  • Anti-inflammatory nutrition


I don’t have an epic tale about a personal health issue that was transformed with nutrition, but I do have a story.


I grew up in the kitchen with my mom and grandmother. Either I expressed interest in food, or they simply included me in cooking, but I have lots of memories of ‘helping out’.


One of my earliest recollections is pouring the rolled oats into the boiling water to make oatmeal; pouring the oats slowly [of course] to avoid clumps.


Looking back, she and my mother unintentionally planted seeds of health and nutrition by sharing what I now know were talking points from the earliest versions of Canada’s Food Guides. Little nuggets of wisdom such as:

  • You should include one dark green and one dark orange/yellow vegetable every day
  • Get one serving of citrus fruit or tomatoes everyday (hello vitamin C)


We always had a bottle of vitamin C and a multivitamin/mineral on the kitchen table as well that we took every morning.

Later when I was swimming competitively and lifeguarding in high school, I appreciated the role that nutrition had on my performance. My Grandma’s early nutrition lessons were reinforced.


Sadly it took another life event to solidify my passion to pursue nutrition, when my mother was diagnosed with cancer. All this by the time I was 18 and I’ve never looked back.


I’m an accidental dietitian. I never set out to be one. In fact, when I went back to university to study nutrition I had never even heard of the word “dietitian”. All I knew was that I loved food, enjoyed diving into science, loved biology, physiology, and biochemistry (yes, I’m a nerd), and that I valued health.


I just wanted to learn all that I could; and that continues today. I’m committed to life-long learning.


Today I’m a seasoned nutritional professional with a passion for health promotion, chronic disease risk reduction and management, all things gut, brain, mood and mental-health related and nutrition for maximizing healthspan, a.k.a. living as well, and as healthfully as possible for as long as you can.


When you work with me, you’ll be getting a straight-shooter who won’t just give you textbook nutrition advice; but rather a tailored approach that works for you, your goals, and your values.


For me, Greek physician Herophilus stated it perfectly…


“When health is absent, wisdom cannot reveal itself, art cannot manifest, strength cannot fight, wealth becomes useless, and intelligence cannot be applied.”

Ready to start your transformation? Click here.
Have some more questions?