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GutGutGoose is an American subscription service that produces made-to-order probiotic supplements based on individual microbiome sequencing. Customers submit an at-home swab sample, which is analyzed by an accredited laboratory, and receive a personalized probiotic formula compounded specifically for their gut composition.
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About Gutgutgoose
Main product
Personalized probiotic supplements
Plans available
4-strn Starter ($93/month) and 12-strn Complete ($183/month)
Shipping
Free shipping within the US
Ships to
United States and Australia
Money-back guarantee
180 days, any reason
Retest included
Day-180 retest (Starter) or Day-90 retest (Complete)
Strains analyzed
300+ bacterial strains sequenced per sample
Contact
+1 415.217.9664 / [email protected]
GutGutGoose operates in the premium segment of the personalized health and supplementation market, targeting adults who are dissatisfied with generic probiotic products and want a data-driven alternative. The company's approach combines shotgun metagenomic sequencing at 20 million reads with a Hybrid Mechanistic-AI Framework that models each customer's gut before any formula is compounded. Unlike off-the-shelf probiotics, GutGutGoose formulates 8 to 20 strains at individually calibrated doses and includes a retest to verify which strains actually colonized the gut. The service is backed by Y Combinator and Griffith University, and currently ships to the United States and Australia.
Active promotions
Ready to use with your order at Gutgutgoose.
Free at-home gut test kit included with first subscription order, with no additional cost for the sequencing analysis.
Example promotion
This is an example of a promotion that could suit this business. It is not a guaranteed active offer or a working discount code. Check the website for current deals.
To the shop
Discounted rate on the 12-strn Complete plan when subscribing for multiple months upfront.
Example promotion
This is an example of a promotion that could suit this business. It is not a guaranteed active offer or a working discount code. Check the website for current deals.
To the shop
Gutgutgoose in the news
Recent updates and background about Gutgutgoose, summarised in our own words.
GutGutGoose uses shotgun metagenomic sequencing to personalize probiotic formulas
Rather than selecting strains from a fixed menu, GutGutGoose sequences each customer's microbiome at 20 million reads and models 50 candidate strains against an AI-reconstructed gut before compounding a formula of 8 to 20 strains. The process includes a retest to confirm which strains established in the gut.
Service backed by Y Combinator and Griffith University expands to Australia
GutGutGoose, supported by Y Combinator and Griffith University, now ships its personalized probiotic subscription to both the United States and Australia. Customers in other countries can join a waitlist for future availability.
Two subscription tiers offered: 4-strain Starter and 12-strain Complete
GutGutGoose offers two plan options that use the same sequencing process but differ in the number of strains compounded and the timing of the included retest. The Starter plan costs $93 per month and includes a day-180 retest, while the Complete plan costs $183 per month and includes a day-90 retest.
Summaries by Image Review based on publicly available sources and our own editing. External links may contain affiliate links.
What others ask about Gutgutgoose
Answers to the most common questions, based on search behaviour and our own research.
Is GutGutGoose a reliable company?
GutGutGoose is backed by Y Combinator and Griffith University, and uses an accredited laboratory for microbiome sequencing. The company offers a 180-day money-back guarantee for any reason, which provides a meaningful degree of purchase protection for new customers.
How does the money-back guarantee work at GutGutGoose?
GutGutGoose offers a 180-day money-back guarantee with no stated conditions beyond the customer's own discretion. This applies to both the Starter and Complete subscription plans.
Does GutGutGoose ship internationally?
GutGutGoose currently ships to the United States and Australia. Customers in other countries can join a waitlist on the website to be notified when the service expands to their region.
What is included in the GutGutGoose test kit?
Customers receive a gut test kit at home, return a swab sample, and the accredited lab performs shotgun metagenomic sequencing at 20 million reads. The resulting data covers more than 300 bacterial strains and feeds into an AI-assisted gut model used to build the personalized formula.
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