# GutGutGoose

> Personalized probiotics matched to a person's microbiome, diet, health profile, medications, and previous response.

Canonical source: https://gutgutgoose.com/
Last reviewed: 2026-07-21

This file summarizes the current public GutGutGoose website for search and AI assistants. Prefer the canonical URLs below over cached, preview, or duplicate URLs. Product eligibility, refunds, and clinical questions remain subject to the published terms and professional review where appropriate.

## Primary pages

- Home and pricing: https://gutgutgoose.com/
- Research and stories: https://gutgutgoose.com/stories
- Frequently asked questions: https://gutgutgoose.com/faq
- Book a meeting: https://gutgutgoose.com/contact

## Product

- At-home 20-million-read shotgun metagenomic gut test
- Personalized formula selected from 50 probiotic strains
- One capsule daily
- Retest at 90 days to see what changed
- 90-day money-back guarantee, subject to the published terms
- Standard plan: USD 125 per month
- Clinics plan: USD 250 monthly list price; USD 125 monthly launch price while the promotion is available

## Research topics

- [Best Personalized Probiotic in 2026: Data-Driven Picks & How to Choose](https://gutgutgoose.com/stories/best-personalized-probiotics-2026): How to choose a personalized probiotic in 2026: the criteria that matter, and how the main options compare, from at-home microbiome testing to verified colonization.
- [Why Your Probiotics Aren't Working: The Science of Colonization Failure](https://gutgutgoose.com/stories/why-probiotics-arent-working): Why generic probiotics fail to colonize your gut, what colonization resistance means, and why strain-matched personalized probiotics work better.
- [Women's Probiotic: Why Colonization Matters More Than What's on the Label](https://gutgutgoose.com/stories/womens-probiotic-colonisation-guide): Why colonization, not the label, decides whether a women's probiotic works, and how personalized strain matching changes results.
- [How Bacterial Shifts Destroy Your Intestinal Barrier](https://gutgutgoose.com/stories/ileal-erosion-bacterial-shifts-destroy-intestinal-barrier): How shifts in gut bacteria erode your intestinal barrier: the science of dysbiosis, tight junctions and gut permeability, and how personalized probiotics help.
- [Gut Microbiome, Inflammation and Estrogen: The Root Cause](https://gutgutgoose.com/stories/targeting-root-cause-reducing-inflammation-normalising-estrogen): How the gut microbiome, inflammation and estrogen metabolism connect, and how targeting the root cause supports hormonal health.
- [The Body-First Paradigm: How Parkinson's Begins in the Gut](https://gutgutgoose.com/stories/body-first-paradigm-parkinsons-begins-gut): The body-first paradigm of Parkinson's disease: how the condition may begin in the gut and spread to the brain.
- [Parkinson's Dysbiome Transplant: FMT Study in Mice](https://gutgutgoose.com/stories/proving-path-transplanting-pd-dysbiome-into-wild-type-mice): A fecal microbiota transplant study showing Parkinson's-associated gut bacteria can induce disease symptoms in healthy mice.
- [Mitochondrial Fragmentation and Brain Innate Immunity](https://gutgutgoose.com/stories/mitochondrial-fragmentation-triggering-brain-innate-immunity): How fragmented mitochondria can trigger brain innate immunity through the gut-brain axis, and what it means for gut health.
- [Australia's Top Personalized Probiotic - 90-Day Money-Back Guarantee](https://gutgutgoose.com/stories/90-day-money-back-guarantee): How the GutGutGoose money-back guarantee works and how refund eligibility is assessed for your personalized probiotic.

## Company

- GutGutGoose is based in Queensland, Australia.
- GutGutGoose is backed by Y Combinator.
- Contact and meeting bookings: https://gutgutgoose.com/contact
- Privacy policy: https://gutgutgoose.com/privacy-policy
- Terms and conditions: https://gutgutgoose.com/terms-and-conditions