Our Story

Tiny Health's story begins with two wildly different births

In 2020, Cheryl Sew Hoy watched her daughter, born via C-section, wrestle with eczema, restless nights, and food sensitivities. Her second child, born via a vaginal delivery, didn't face any of these issues. The contrast in their health was so striking that she threw herself into the research to find out why.

Cheryl followed her curiosity into the fascinating world of the gut microbiome and quickly learned its profound impact on everything from immunity to long-term disease prevention, especially during the first 1000 days of life. A year later, a team of microbiome scientists was assembled and a breakthrough was made: Tiny Health developed the first at-home gut health test for babies.

Since that first launch in 2022, we've expanded our tests for children, adults, and different life stages, like pregnancy, and launched a vaginal health test to support the vaginal microbiome.

About Us

“All disease begins in the gut” - Hippocrates

From Type 2 Diabetes to eczema, Alzheimer’s and more, mounting evidence suggests that chronic conditions stem from root cause disruptions in the gut microbiome. However, our current healthcare operates reactively: we don't monitor gut health until disease manifests. Tiny Health was created to shift this model by empowering individuals with continuous, personalized gut health monitoring, creating a category-defining moat in personal health ownership, at every age and life stage.

Tiny Health is the first precision microbiome wellness company dedicated to helping every person start, and stay, healthy for life. Since our founding we’ve been redefining personalized health through strain-level, clinical-grade microbiome testing. To date, over 100,000 people have trusted Tiny Health to correct imbalances in the gut and vaginal microbiome, and optimize their lifelong health.

The Tiny Health Advantage

Culture at Tiny Health

🚀 Our mission is to improve health outcomes of future generations through evidence-based microbiome insights.

Our values

How we work

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