Dr. Katrina Coulter
I’m Dr. Katrina Coulter — an Infectious Disease Physician who believes real health starts in the gut.
Here, you’ll learn how to support your microbiome, strengthen your immune system, and use food as medicine to create lasting energy, focus, and resilience.
My videos dive into the science of gut health, healthy aging, and longevity — showing you how small, sustainable habits like eating more fiber, reducing inflammation, and moving daily can transform your healthspan.
If you’re ready to understand your body on a deeper level and feel your best from the inside out, you’re in the right place. 🌿
LEGAL DISCLAIMER:
The content on this channel is for informational and educational purposes only and is not medical advice. Viewing these videos does not create a doctor–patient relationship. Always consult your healthcare provider for medical guidance. Do not delay or disregard professional advice because of information shared here. Use at your own risk.
Sugar, the Microbiome, and Your Brain: The Real Reason You Can’t Stop Craving Sweets
What Is General Infectious Diseases
How Resistance Training Rewires Your Gut Microbiome, Muscles, and Bones
Boost Digestion This Holiday Season with Fermented Foods
Hormone Replacement Therapy
Fungal Infections
Head and Neck Infections
Gastrointestinal Infections
OPAT
The Power of Legumes: Feed Your Microbiome, Live Longer, and Heal the Planet
Shorter Days, Slower Metabolism? Here's Why
Why Grass Fed Beef is a Healthier Choice
Why Living Longer Isn’t Enough — It’s Time to Live Better
Fermented Foods and how they Improve Gut Health
Prebiotics, Probiotics, Postbiotics : What are they?
Handwashing for kids
Do Antibiotics Cause Diarrhea
Should I Be Worried About Measles?
5 TIPS TO AVOID NOROVIRUS
Bone Broth = Superfood
Hydrate Your Way to Health
Never ignore a rigor!!
Whooping Cough
The most important organ in your body...your MICROBIOME!
What is Thrush?
Sepsis Simplified
Are Peppers Good for You? Top 5 Health Benefits
Top 3 ways to prevent Urinary Tract Infections
How Fiber Impacts Your Health
Superfood #2: Mushrooms