“Our baby’s symptoms finally went away”

Tiny Health's gut test helps your baby overcome fussiness, become happier and reduce risks of early health conditions. Testing takes less than 5 minutes.

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Developed by researchers from:

A beautiful open box with a gut health test kit and a hand reaching for a letter that reads "ok, baby time for a diaper check"

The first 1,000 days of your baby’s life can be tough

Tough on them. And on you, too. The uncertainty. The second-guessing. The sleepless nights. The constant wondering that you may get it “wrong” even though you do everything “right.” Babies don’t come with an instruction manual. And it’s hard to know why your baby isn’t feeling their best.

The answer is in your baby’s gut

Fussiness, sleep issues, reflux, eczema, food allergies, and even some long-term conditions like asthma, and type 1 diabetes link back to your child’s microbiome development during these crucial first 1,000 days.

Their immune system may need a little help

A C-section birth, antibiotics, formula use, or living in an over-sanitized, urban environment can impact your baby’s immune system. Tiny Health helps you pinpoint any potential issues and jumpstart their health.

Tiny Health empowers you take action when it matters most

With our at-home test kit, you’ll get a precise picture of what’s happening in your baby’s gut. You’ll know how to make your baby feel better and how to protect their overall health. Testing is fast, easy and mess-free.

A screenshot of Tiny Health's app, showing different diagrams of microbes distribution and microbiome for a baby

A screenshot of Tiny Health's app, showing the personalized recommendations that users get after they perform a test

A screenshot of Tiny Health's app, showing a panel with associations between gut microbiome and health for babies

First microbiome test developed for babies

Actionable, evidence-based insights and recommendations

Overcome fussiness & gut-related health conditions

The traditional approach

A simple 5-minute test every few months to keep your baby’s immune health in check. Preventative action at the right time.

Join hundreds of moms with happy, healthy babies

“My 1+ month son had bad colic and gas. Colic drops didn’t work. Through Tiny Health’s tests, we got to the root and of his fussiness and sleep issues went away”

Vijen T.

Walnut Creek, CA

“As a mom to a child with allergies, I am grateful for these actionable suggestions to strengthen her microbiome. I only wish I had found it when I was pregnant”

Charlotte M.

Miami, FL

“We started with Tiny Health when I was pregnant and immediately took action. Now my baby is 3 mo. old and we can't wait to do another sample to see how she’s evolving!”

Amy B.

Denver, CO

“I would 100% recommend this to anyone who is pregnant. I was blown away by how actionable the report was, and it was very reassuring to see positive changes"

Ashley B.

Portland, OR

“My son was born via c section and suffered from mild eczema and bad gas. After a month with Tiny Health both issues resolved completely”

Jessie M.

Bainbridge Island, WA

“After taking Tiny Health’s tests I decided to attempt a VBAC instead of a c-section, and seeing the results encouraged me to exclusively breastfeed my baby.”

Marta N.

Boston, MA

“Very impressed with how many insights we received. Our pediatrician was comfortable with the suggested actions and our baby’s symptoms went away after.”

Mary D.

Jersey City, NJ

“Our baby’s early day issues caused a lot of distress and sleepless nights for us, and Tiny Health was empowering in that it showed us what was going on”

Kateejah M.

San Francisco, CA

“I knew gut health is really important for overall health, but had no idea that the mom’s microbes had such a huge role to play in the baby’s gut!”

Laura M.

Sterling, VA

“We really liked getting evidence-based recommendations from Tiny Health targeted specifically on what your baby's gut needs.”

Casey L.

Brooklyn, NY

Set up your child for the healthiest life they can have

Healthier guts, healthier babies. Sampling takes less than 5 minutes, and you’ll get a personalized report to start taking decisive steps towards optimal health.

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photography of a gut health test kit laid out on a flat surface including a test box, an envelope, an instruction manual, a test swab and a phone with Tiny Health's mobile app

Tiny Health makes it really easy

a graphic showing how a gut health test is performed, using a lab validated dry swab to take a stool sample from soiled diaper

Mess-free test at home

With our lab-validated dry swab, you can sample your baby’s “number two” directly from their diaper. No gloves, no messy collection device.

A graphic showing baby gut health type and gut microbes distribution

Get your health report

Log into your account and take a close look at your baby’s gut microbiome and how it is impacting their health.

A graphic showing personalized recommendations for gut health during pregnancy after taking a test

Take action with a custom plan

We’ll provide you with an actionable plan from our team of pediatric experts and microbiologists to optimize your baby’s gut.

A graphic showing gut health progress after pregnancy during the baby's first months

Keep tabs on your progress

Repeat the test on your baby at regular intervals to monitor their gut development over time and track progress.

Developed with leading experts in early-life microbiome health

Ruben Mars, PhD

Founding Advisor

Assistant Professor of Medicine, Center for Individualized Medicine Microbiome Program, Mayo Clinic, Rochester, MN

N. Calloway R, MD, MPH

Medical Advisor

Medical Advisor; Practicing OB/GYN Hospitalist Physician, Creator and Host of The All About Pregnancy & Birth Podcast

Dr. Kim Green, MD

Medical Advisor

Associate Clinical Professor, UCSF; Paediatrician and former Chief Innovation Officer, Kaiser Permanente

Noel Mueller, PhD

Scientific Advisor

Assistant Professor of Epidemiology, Johns Hopkins University

Rodney Dietert, PhD

Scientific Advisor

Professor Emeritus of Microbiology & Immunology, Cornell University

Joel Warsh, MD

Medical Advisor

Board-Certified Pediatrician, Creator of Raising Amazing Podcast

Meghan Azad, PhD

Scientific Advisor

Associate Professor of Pediatrics and Child Health at the University of Manitoba; Co-Director, Manitoba Interdisciplinary Lactation Center (MILC); Deputy Director, CHILD Cohort Study

“My son’s eczema and gas issues resolved completely.”

“Tiny Health has been a wonderful resource for our family. My son was born via c section and had very poor gut health at his initial test. He suffered from mild eczema and bad gas. After a month on the recommended probiotic from the team at Tiny Health both issues resolved completely and at his follow up gut tests 2 month later his gut biome had improved immensely. We are so glad to have this resource to help set up our son for the healthiest life he can have.”

Jessie M.

Bellingham, WA

The first gut test designed for babies

Tiny Health was founded by a mom who wanted to test her baby’s gut trajectory after her C-section and couldn’t find a straight answer in the market. Our test is the first to measure what matters most to babies. Other gut tests use “adult reference ranges,” which are entirely different from babies' ranges and lead to incorrect conclusions.