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Gutgutgoose

YC S26

San Francisco, US · Founded 2026 · 2 employees · 5 known investors

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GutGutGoose sequences a customer's gut microbiome, then compounds personalized probiotic formulas of 8-20 strains matched to their individual gut, diet, health history, and metabolic pathways, with a retest at 90 days to measure colonization. The consumer subscription product is sold in the US and Australia.

BiotechConsumerHealthtechWellness & FitnessPersonalizationHealth & WellnessUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S26)

Gutgutgoose was founded in 2026 by Anis Mihrshahi and Leon Mojarrabi.

AMAnis Mihrshahi
Anis MihrshahiCo-FounderAnis Mihrshahi studied AI and data science at the University of Southern Queensland on a Chancellor's Excellence Scholarship. As founder of GutGutGoose, they handle operations and co-developed the algorithm behind the company's personalized probiotic formulas.
LMLeon Mojarrabi
Leon MojarrabiCo-FounderLeon Mojarrabi began university at 14 and spent four years at a YC technology company before founding a pharmacy that reached $4M in revenue, which funded GutGutGoose. As founder, he works on strain-level metabolic modeling of the gut microbiome to detect disease early.
TG
Taha Ghadirisupport

Investors · 5

Transpose Platform Managementlisted by Transpose Platform ManagementSan Francisco

How we know: Transpose Platform Management's portfolio page · Y Combinator's founder network · Not right? Tell us

007 Venture Partnersreported

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DTA Capital Advisors, LLCreported

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Lyra Capital Pty LtdreportedSydney

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Companies working in the same space as Gutgutgoose.

Legal entities · 1

corporate structure
Gutgutgoose Inc.

In the news

Gutgutgoose: Personalized probioticsycombinator.com · Jul 2026

Frequently asked questions

What does Gutgutgoose do?
GutGutGoose sequences a customer's gut microbiome, then compounds personalized probiotic formulas of 8-20 strains matched to their individual gut, diet, health history, and metabolic pathways, with a retest at 90 days to measure colonization. The consumer subscription product is sold in the US and Australia.
Who founded Gutgutgoose?
Gutgutgoose was founded by Anis Mihrshahi, Leon Mojarrabi in 2026.
Who are Gutgutgoose's investors?
Gutgutgoose's investors include Y Combinator, Transpose Platform Management, 007 Venture Partners, DTA Capital Advisors, LLC, Lyra Capital Pty Ltd.
Where is Gutgutgoose headquartered?
Gutgutgoose is headquartered in San Francisco, US.