Independently published clinical reference for Registered Dietitians · Edition 2026 · 18 volumes
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Vol. Nº 14 · GI · Edition 2026

The Gut Health Nutrition Handbook

The definitive gut health handbook for dietitians — microbiome science, fibre prescription, probiotics evidence, and the full 30 Plants Challenge patient toolkit.

Instant PDF download · A4 print-ready · Single-clinician licence · Secure checkout via Gumroad

Every claim cited, every protocol reviewed. Read the methodology

The Gut Health Nutrition Handbook cover
Stop sending patients to Instagram for gut health advice. A dietitian-authored, evidence-based gut health toolkit — with a ready-to-use 30 Plants Challenge tracker.
Interior page from The Gut Health Nutrition HandbookInterior page from The Gut Health Nutrition HandbookInterior page from The Gut Health Nutrition Handbook

Actual pages from the handbook — open the free 8-page sample (PDF).

Who it's for

GI dietitians, primary care and general practice dietitians, functional medicine practitioners wanting an evidence-based baseline, and any clinician whose patients ask "what should I eat for my gut?"

What's inside

Clinical Guide — 52 pages. Microbiome 101 (diversity, SCFA, gut-brain axis), fibre subtypes and prescription (soluble, insoluble, resistant starch, fermentable), the evidence for and against probiotics (strain-specific, condition-specific), prebiotics and synbiotics, polyphenols, fermented foods, constipation and diarrhoea protocols, antibiotic recovery, the gut-brain axis, elimination-diet screening and red-flag referral.

Patient Handout Pack — 15 handouts: Your Gut Microbiome: A Simple Guide · The Fibre Guide · Fermented Foods: What to Eat & Why · Probiotics: What Actually Works · Managing Bloating · Managing Constipation Naturally · Managing Diarrhoea · Dealing with Reflux & Heartburn · Food Intolerances: Facts vs Fiction · Your Gut & Your Mood · Recovering Your Gut After Antibiotics · Gut Health Myths vs Facts · 7-Day Gut-Health Meal Plan & Shopping List · Food & Symptom Diary · My 30 Plants a Week Tracker.

Recipe Collection — 52 pages · 46 recipes, each with a full nutrition panel (energy, protein, carbohydrate, fat and fibre), a plant count and an allergen declaration.

Bonus: 30 Plants Challenge Tracker — a printable weekly tracker your patients will actually finish.

Evidence base

ACG 2021 IBS guideline · AGA 2020 probiotics guideline · ACG 2020 SIBO guideline · NICE NG20 (coeliac) and CG184 (reflux/dyspepsia) · WHO 2023 carbohydrate intake guideline · ISAPP consensus statements · EAACI/AAAAI/ASCIA positions on IgG testing. 39 references, every one traceable to its primary source.

What you save

Hours of handout creation. A repeatable 4-week patient programme you can run again and again.

Also available in a bundle

The Complete Vault — all 18 handbooks, a nominal $1,602 of shelf, for $399. Working the GI caseload? The IBS Nutrition Handbook pairs naturally with this one — code VAULT10 takes 10% off a second handbook.

Format & delivery

Instant PDF download · A4 · print-ready · single-clinician licence. Not a subscription — one purchase, yours to reuse for every patient on your caseload for as long as you practise. All sales final — no refunds.

Four print-ready PDFs — 138 pages (Clinical Guide 52 pp · Patient Handouts 26 pp · Recipe Collection 52 pp · 30 Plants Challenge 8 pp) — delivered as one instant download.

$89 · Instant PDF download · A4 print-ready · Single-clinician licence

The Vault Brief · Free

Monthly evidence notes for Registered Dietitians — new trials, guideline updates, and subscriber promo codes 48 hours before public.