The Gut Health Guide
Understand how your gut influences digestion, immunity, energy, inflammation, and long-term health — and learn how to support it with practical, science-backed strategies.
Created by Dr. Rosa Keller, PhD
Dr. Rosa Keller is a Registered Dietitian and Nutrition Scientist specializing in gut health, cardiometabolic wellness, and performance nutrition.
Her work focuses on translating advanced microbiome science into practical, sustainable strategies that improve healthspan, energy, and resilience.
Inside the Gut Health Guide.
WHAT YOU’LL LEARN
What the gut microbiome actually is
How gut health impacts your brain, metabolism, and immune system
The 4 pillars that shape your microbiome
Signs your gut may need support
How advanced microbiome testing works
The Microbiome Method for daily improvement
Gut-supportive recipes and grocery guide
WHY TESTING MATTERS
If You Can Measure It, You Can Improve It
Advanced microbiome testing provides insight into:
Diversity score
Butyrate production
Dysbiosis patterns
Metabolic function
Testing transforms guesswork into precision nutrition.
Take the Gut Health Quiz to Access Your Free Guide
Complete this brief questionnaire to receive your Gut Health Guide and personalized next steps for your digestion, energy, and overall wellness.