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The Journal

Insights, science,
real stories.

Essays to help you understand your gut — and transform your health.

All essays

From the notebook.

Gut & Body Connections

The Gut–Hormone Connection: How Bacteria Influence Oestrogen, Thyroid, and Insulin

If someone told you that the bacteria in your gut are messing with your hormones, you’d probably think they were exaggerating. But this is one of those cases…

Dr. Nikita Dinger · 6 min read

Gut Testing & Biomarkers

What Your Gut Biomarkers Actually Mean: A Plain-English Guide

You got a gut health test done. Good for you, that’s already more than most people manage. But now you’re staring at a report full of "alpha diversity,"…

Dr. Nikita Dinger · 7 min read

Gut Testing & Biomarkers

Structural vs. Functional Gut Testing: What’s the Difference and Why It Matters

Say you’re trying to work out why your office isn’t productive. One approach: photograph the room and count how many people are at their desks. Now you know…

Dr. Nikita Dinger · 6 min read

Gut Testing & Biomarkers

Functional Gut Intelligence: Moving Beyond Guesswork

A mechanic who checks the oil, finds it fine, and declares the car healthy hasn’t diagnosed the weird noise you came in for. Checking one thing and stopping…

Dr. Nikita Dinger · 6 min read

Gut Testing & Biomarkers

How Gut Testing Reveals Hidden Causes of Digestive Symptoms

You’ve been bloated for months. Maybe years. You’ve cut gluten, dropped dairy, sipped warm water at dawn, chewed fennel after every meal. A few things helped a little,…

Dr. Nikita Dinger · 6 min read

Probiotics & Supplements

Why Personalised Synbiotics Are the Future of Gut Health

Nobody grabs a random shirt off the rack without checking the size and expects a perfect fit. Yet that’s exactly what we do with probiotics. We pick the…

Dr. Nikita Dinger · 5 min read

Common Myths & Mistakes

Why "Eat More Fibre" Is Dangerously Incomplete Advice

If one piece of health advice has universal agreement, it’s "eat more fibre." Doctors say it. Nutritionists say it. Your grandmother says it, though she’d put it as…

Dr. Nikita Dinger · 6 min read

Common Myths & Mistakes

The 5 Biggest Mistakes People Make When Trying to Fix Their Gut

Most people arrive at gut health already frustrated. Something’s off. Constant bloating after meals. Unpredictable bowels. Fatigue that won’t lift. Skin issues no dermatologist cream touches. So they…

Dr. Nikita Dinger · 6 min read

Common Myths & Mistakes

What Most Gut Health Advice on Instagram Gets Wrong

Open Instagram and search "gut health." Within thirty seconds someone’s telling you to drink bone broth every morning, quit gluten today, blend celery juice on an empty stomach,…

Dr. Nikita Dinger · 6 min read

Enough reading.
Decode your gut.