Guides — Gut Brain News

Gut Microbiome Research & News

Guides

Science-backed guides on gut health, the microbiome, and mental wellbeing. Covers the gut-brain axis, how diet affects mood, the role of fermented and prebiotic foods, and the links between gut dysbiosis and anxiety. Practical eating plans alongside mechanistic explanations grounded in current research.

Overhead view of a weekly gut-brain meal plan spread across seven days with fermented foods, colourful vegetables, oily fish, and dark chocolate

Gut Health & Mental Wellbeing

The Gut-Brain Diet: A 7-Day Eating Plan for Mental Wellbeing

A practical 7-day gut-brain eating plan built around four evidence-based food categories: fermented foods daily, prebiotic-rich vegetables 3–5 times per week, polyphenol-rich foods daily, and oily fish 2–3 times per week.…

Overhead flat-lay of gut-brain healthy foods: kefir, kimchi, blueberries, salmon, Jerusalem artichokes, dark chocolate, and green tea on a dark teal surface

Gut Health & Mental Wellbeing Featured

Best Foods for Gut Health and Mental Wellbeing: A Science-Backed Guide

The foods with the strongest evidence for gut-brain health: fermented foods (kefir, kimchi) increase microbial diversity and reduce neuroinflammation; prebiotic vegetables feed SCFA-producing bacteria; polyphenols act as selective prebiotics; omega-3s reduce neuroinflammation.…

Scientific illustration showing the bidirectional gut-anxiety connection with dysbiosis pathways and the gut-brain axis

Gut Health & Mental Wellbeing

Gut Health and Anxiety: What the Science Really Says

Gut dysbiosis is bidirectionally linked to anxiety via GABA depletion, glutamate excess, HPA axis dysregulation, and neuroinflammatory LPS cascades. Multiple RCTs confirm targeted probiotics reduce anxiety scores. Here's the complete evidence.

Cross-section illustration of the gut-brain axis showing neural pathways connecting the intestinal microbiome to the brain

Gut Health & Mental Wellbeing

The Gut-Brain Axis: How Your Microbiome Controls Your Mood

The gut-brain axis is a bidirectional communication network linking your microbiome to your brain via the vagus nerve, HPA axis, and immune pathways. Gut bacteria produce ~90% of serotonin and directly influence GABA, dopamine, and cortisol — making microbial diversity a direct determinant of mood.