Gutgutgoose
YC S26San Francisco, US · Founded 2026 · 2 employees · Hiring · 1 known investors
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)
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Leon MojarrabiinFounderLeon 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.
Investors · 1
In the news
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 are Gutgutgoose's investors?
- Gutgutgoose's investors include Y Combinator.
- Where is Gutgutgoose headquartered?
- Gutgutgoose is headquartered in San Francisco, US.

