The microbial world within

Microbiome

Your gut is home to trillions of bacteria, fungi, and other microbes that influence everything from digestion to mood. Explore the science of microbiome diversity, dysbiosis, and the key species—like Akkermansia—driving new research.

94 guides
Guide
Akkermansia muciniphila
Read guide →
Guide
Akkermansia muciniphila Degrades the Mucus Layer of Your Gut
Read guide →
Guide
Akkermansia muciniphila
Read guide →
Guide
Akkermansia Muciniphila: The Gut Barrier Bacterium That Changes Everything
Read guide →
Guide
Akkermansia Muciniphila:The Gut Barrier Bacterium
Read guide →
Guide
Akkermansia muciniphila
Read guide →
Guide
Alcohol and Gut Health: How Drinking Systematically Destroys Your Microbiome
Read guide →
Guide
Alcohol and the Gut Microbiome
Read guide →
Guide
Barrett's Esophagus
Read guide →
Guide
Best Probiotics for IBS: What the Clinical Trials Actually Show
Read guide →
Guide
Best Probiotics for Women: Strain-Specific Science (2026)
Read guide →
Guide
Best Probiotics: What the Science Actually Says
Read guide →
Guide
Best Probiotics for SIBO & Gut Repair (2025)
Read guide →
Guide
Best At-Home Gut Microbiome Test 2024
Read guide →
Guide
Bile Acids Are Not Just Digestive Detergents
Read guide →
Guide
Bile Acids & Your Gut Microbiome
Read guide →
Guide
Bile Acids: Primary vs Secondary Synthesis, FXR and TGR5 Receptor Signaling…
Read guide →
Guide
Butyrate Is the Short-Chain Fatty Acid That Colonocytes Depend on for 70% of Their Energy
Read guide →
Guide
Butyrate & Short-Chain Fatty Acids: The Complete Colon Health Guide
Read guide →
Guide
Butyrate fuels70% of colonocyte energy
Read guide →
Guide
Candida Overgrowth in the Gut: What the Evidence Actually Shows
Read guide →
Guide
Chronic Constipation: Fiber Types, Osmotic Laxatives & Gut Motility
Read guide →
Guide
Circadian Rhythm and the Gut Microbiome
Read guide →
Guide
Crohn's Disease & the Gut Microbiome
Read guide →
Guide
Crohn's Disease
Read guide →
Guide
"Eat More Fiber" Is Incomplete Advice
Read guide →
Guide
Dietary Fiber, Gut Microbiome, and Butyrate
Read guide →
Guide
Diverticulosis & Diverticulitis
Read guide →
Guide
Fecal Microbiota Transplant
Read guide →
Guide
When Food Poisoning Becomes a Chronic Gut Problem
Read guide →
Guide
The Gallbladder–Gut Axis:How Bile Acids Run Your Microbiome
Read guide →
Guide
Garden of Life vs Thorne Probiotic: An Evidence-Based Comparison
Read guide →
Guide
The Gut-Brain Axis
Read guide →
Guide
The Gut-Brain Axis
Read guide →
Guide
Your Gut Controls Your Brain — Here Is the Mechanism
Read guide →
Guide
The Gut-Brain Axis: How Your Microbiome Controls Your Mood
Read guide →
Guide
The Gut-Skin Axis: How Your Microbiome Drives Acne, Eczema, and Rosacea
Read guide →
Guide
Gut Microbiome and Anxiety: The Gut-Brain Connection Explained
Read guide →
Guide
Gut Microbiome Diversity
Read guide →
Guide
Gut Microbiome Diversity: What It Is, Why It Matters, and How to Build It
Read guide →
Guide
The Gut Microbiome: What Diversity Actually Means and How to Build It
Read guide →
Guide
Gut Microbiome and Mental Health
Read guide →
Guide
Your Gut Microbiome Is Harvesting Extra Calories From Your Food
Read guide →
Guide
Gut Microbiome Testing Decoded
Read guide →
Guide
Viome vs Genova vs Thryve: Which Gut Test Is Actually Worth It?
Read guide →
Guide
Gut Microbiome and Weight Loss
Read guide →
Guide
Gut Microbiome and Weight Loss: Separating Signal from Noise
Read guide →
Guide
Gut Microbiome Diversity
Read guide →
Guide
Gut Microbiome Diversity
Read guide →
Guide
H. Pylori: What 44% of the World Is Carrying, How Eradication Works, and the…
Read guide →
Guide
H. pylori: How It Survives Stomach Acid, Causes Ulcers & Cancer, and How to…
Read guide →
Guide
How Gut Bacteria Actually Work: The Complete Science
Read guide →
Guide
Irritable Bowel Syndrome
Read guide →
Guide
IBS: The Gut-Brain Connection, Visceral Hypersensitivity, Microbiome…
Read guide →
Guide
IBS, the Low-FODMAP Diet, and the Gut Microbiome
Read guide →
Guide
Intestinal Permeability and Leaky Gut
Read guide →
Guide
The Gut Microbiome Is Not Static
Read guide →
Guide
Intermittent Fasting and the Gut Microbiome
Read guide →
Guide
Kefir vs. Yogurt: Which Has More Probiotics for Gut Health? (2026)
Read guide →
Guide
Microbiome Diversity
Read guide →
Guide
Microbiome Testing
Read guide →
Guide
Microbiome Testing
Read guide →
Guide
NAFLD & the Gut Microbiome: How Gut Dysbiosis Drives Fatty Liver Disease
Read guide →
Guide
Oxalates & the Gut Microbiome
Read guide →
Guide
Pancreatic Cancer: Risk Factors, Gut Microbiome, Diet & Early Detection
Read guide →
Guide
Postbiotics: The Complete Guide to Butyrate, Urolithin A & SCFAs
Read guide →
Guide
Polyphenols Are Not Absorbed by You
Read guide →
Guide
Prebiotics vs Probiotics: What's the Difference and Why You Need Both
Read guide →
Guide
Prebiotic Fiber and Microbiome Diversity
Read guide →
Guide
Probiotics for IBS
Read guide →
Guide
Probiotics for Immune Health: What the Clinical Evidence Actually Shows
Read guide →
Guide
Probiotics vs Prebiotics: Which One Does Your Gut Actually Need?
Read guide →
Guide
Probiotics vs Prebiotics: What's the Difference and Which Do You Actually Need?
Read guide →
Guide
Every Clinical Probiotic Trial Is Strain-Specific
Read guide →
Guide
Probiotic Strains
Read guide →
Guide
Short-Chain Fatty Acids
Read guide →
Guide
Short-Chain Fatty Acids
Read guide →
Guide
Seed vs Ritual vs Garden of Life vs Thorne: Probiotic Brands Compared
Read guide →
Guide
Seed vs Garden of Life vs Thorne Probiotic: Which Is Actually Worth It? (2026)
Read guide →
Guide
Seed DS-01 vs Ritual Synbiotic: Which Is Worth the Price?
Read guide →
Guide
SIBO and IMO: Why Bacteria in the Wrong Place Cause Bloating, IBS, and Nutrient…
Read guide →
Guide
SIBO: The Complete Guide to Small Intestinal Bacterial Overgrowth
Read guide →
Guide
SIBO: Breath Testing, Rifaximin Protocols& the IBS Connection Explained
Read guide →
Guide
SIBO: What the Science Actually Says About Diagnosis and Treatment
Read guide →
Guide
SIBO: The Complete Guide to Hydrogen vs Methane, Breath Testing, and Rifaximin…
Read guide →
Guide
SIBO: Diagnosis, Treatment & Diet Protocol
Read guide →
Guide
SIBO Treatment: Rifaximin, Herbal Protocols, the Elemental Diet, and Why SIBO…
Read guide →
Guide
Soil-Based vs Lactobacillus Probiotics: What the Research Actually Says
Read guide →
Guide
The Gut-Brain Axis
Read guide →
Guide
The Gut-Brain Axis
Read guide →
Guide
The Gut-Brain Axis, Microbiome, and Depression
Read guide →
Guide
Ulcerative Colitis & the Microbiome
Read guide →
Guide
The Vagus Nerve & Gut-Brain Axis
Read guide →
Guide
What Fasting Actually Does to Your Gut Microbiome (The Science Is More Nuanced…
Read guide →
Go beyond the guides
The 30-Day Gut Reset
the complete day-by-day clinical protocol — elimination, reintroduction, and repair, sequenced correctly and built from the same peer-reviewed research behind every guide on this site.
Get the Gut Reset → $19 or get all 4 health books for $49