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“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.

Developed by researchers from:

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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. 

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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.

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First microbiome test developed for babies

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Actionable, evidence-based insights and recommendations

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Overcome fussiness & gut-related health conditions

The traditional approach

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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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Tiny Health makes it really easy

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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.

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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.

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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.

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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

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Ruben Mars, PhD

Founding Advisor

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

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N. Calloway R, MD, MPH

Medical Advisor

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

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Dr. Kim Green, MD

Medical Advisor

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

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Noel Mueller, PhD

Scientific Advisor

Assistant Professor of Epidemiology, Johns Hopkins University

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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
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Take control of your baby’s gut health, starting today

Your kit includes:

  • Mess-free gut microbiome health test
  • Comprehensive list of all the microbes and its relative abundance
  • Personalized gut health report (delivered in just 4 weeks)
  • Evidence-based guides & recommendations
  • Prepaid return shipping to lab
Free Shipping   •   HSA / FSA Eligible
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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. 

Your privacy comes first

  • We will never sell your data
  • Your info is confidential
  • Data is encrypted and secure

100% CLIA compliant lab

  • Tested in the US
  • Guaranteed accuracy & reliability
  • Highest quality standard
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The Tiny Health team has 7 PhDs, 106 scientific publications, 5,875 citations and 5 provisional patents

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The science behind Tiny Health

Highest resolution analysis

We use deep-shotgun metagenomics sequencing, the gold standard to get a comprehensive analysis you can rely on to make informed decisions

Breakthrough insights

We use functional profiling to what microbes are present, how much of them are there, and what they’re actually doing

Targeted suggestions

We use strain-level identification and precision science to detect and confirm microbes' transference, probiotics impact, and more

How does Tiny Health compare to other gut health tests?

PCR Tests

(GI Map, GI Effects)
to mom and baby’s biomarkers
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State-of-the art deep shotgun sequencing
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Shallow Shotgun
RNA testing (accurate but highly variable)
Outdated 16S Sequencing Technology (high false positives)
Actionable report
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Needs physician for
recs (extra $$)
Action is taking the
brand’s probiotics only
Evidence-based, bias-free probiotic & supplements recommendations
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Comprehensiveness of the test
Full list of all bacteria, yeast, parasites, archaea, and viruses in your gut
Limited to only a subset of microbes the test can identify
List of all bacteria only at the species level
Limited to species level, no reference ranges
Bacteria only
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Ready to jumpstart your baby's health based on data?

Tiny Health empowers mothers everywhere to stop guessing about their baby’s health. Sampling takes less than 5 minutes. Get your first kit today:

Not ready yet?

Frequently Asked Questions

Is this gut test only for babies? Can older kids test too? Can I test other family members?

Our gut health test can be used by any family member. We’re the first-ever gut health test for babies 0-3 years of age, but we also have gut health insights for children 3-17 years old, and regular adults as well as during pregnancy. We also have a vaginal health test. Please head over to https://www.tinyhealth.com/store to see our full product suite

How does testing work? What do I have to do?

We use a stool test collected with a lab-certified sampling swab from soiled tissue paper.

The process is simple and unlike other tests on the market, Tiny Health doesn't require gloves, a spoon-like collection device, or that you handle stool at all, other than on a regular tissue paper.

The sample is then stored in the included container and zippered back and mailed back to us on the prepaid envelope included with your kit.

How solid is the science? I’ve heard the field is pretty new.

Microbiome health as a field is relatively new compared to medicine in general. However, human microbiome research has grown over the past 10 years and rose exponentially in the past five years as sequencing technology became more affordable.

There are now more researchers looking closely at how the microbiome is related to health and disease. When it comes to the baby microbiome and associations with health or disease, some very clear patterns have emerged. We pull data and reference high-quality research that is reproducible and gives consistent results. This way, you can be confident in the information that we share. 

My pediatrician said they’d never heard of the microbiome before. Why should I take a test?

Conventional medical practitioners don’t get training for microbiome health and as such, are not always familiar with the latest research and recommendations in this field of medicine.

However, our tests are developed by a team of leading pediatric scientists and physicians who are on the cutting edge of this impactful field.

Often, it’s up to your doctor to keep up on the latest research and most don’t have the time. In addition to this, it can take 10 - 15 years for academic research to be put into medical practice. So it’s possible that your doctor hasn’t heard about the gut microbiome. 

But that doesn’t mean that it’s something to wait on.

Especially during pregnancy and the first few years of life.Recent studies show just how important the microbiome is to your baby’s immune development. You can use microbiome testing to make sure your baby has bacteria that protect health. 

Is this just something else to be anxious about during my baby’s childhood?

Not at all. Unlike DNA testing, conditions associated with the microbiome are reversible and risks can be reduced by taking preventative measures. Instead of just being worried about it, you can take the recommended actions and get some well-deserved peace of mind.

What does a Tiny Health test look for?

  • A full breakdown of what we find in your baby’s gut microbiome
  • Your baby’s Tiny Health Gut Type
  • Key Insights about your baby’s microbiome and what this means for their health
  • Condition Biomarkers, which may give you clues about what’s happening in your baby’s body and the risk for specific conditions 
  • Associations between any symptoms your baby might have and their microbiome
  • Practical tips and recommendations that are unique to your test results
  • A personalized note from Tiny Health’s microbiologists and immunologists

Can this test tell me about lactose or dairy intolerance?

Dairy products and young children can be tricky to navigate. Lactose intolerance refers to trouble digesting the milk sugar, lactose. This is different from cow milk protein allergy, which involves an immune response.

Cow milk protein allergy is somewhat common in babies whereas lactose intolerance is very rare in children under the age of 5 years old.

There are a few types of lactose intolerance:

1. Primary lactose intolerance: This is rare in babies and all about genetics. In this case, the body cannot make enough of the enzyme, lactase. This is the enzyme that helps break down and digest the lactose milk sugars.

Primary lactose intolerance is not caused by gut microbes. But symptoms may improve with helpful bacteria like Streptococcus thermophilus.

2. Secondary lactose intolerance: This is all about damage to the gut lining. Lactose digestion takes place in the small intestine and when the lining of the small intestine is damaged, we see secondary lactose intolerance. Which makes it hard to digest lactose. Usually this happens in adults after a long period of gut inflammation.

Secondary lactose intolerance can be caused by gut microbes if these microbes are making the gut inflamed. Repairing an injured gut and clearing inflammation can help support the digestion of lactose.

If your child is having issues with dairy it is important to talk to their healthcare provider to help understand the cause. In older children, lactose intolerance is often diagnosed by dairy elimination and/or a hydrogen breath test.

Here at Tiny Health we can provide you with helpful information like, “Does the gut have lots of signs of inflammation? How can I help to reduce inflammation?” and “Do I have beneficial S. thermophilus in my gut?”

There is no gut microbiome test that can detect lactose intolerance.

At Tiny Health we can help you understand your gut health and how it may contribute to symptoms of lactose intolerance.

Does microbiome testing detect food allergies or fix problems like eczema?

While microbiome testing does not test for food allergies, we can show associations between your baby’s gut microbiome and their symptoms of eczema or allergies. Or the potential risk of these conditions developing.

How do we do this? We use something called biomarkers.

Microbial biomarkers are bacteria associated with a higher or lower likelihood of developing a particular condition. But not everyone with biomarkers will have that condition. And everyone with a condition may not have the biomarkers.

Microbial biomarkers are developed from research. The Tiny Health Bioinformatics Pipeline uses a custom built database of over 120K complete microbial genomes. We sift through the research surrounding the microbiome and use this information to develop a  list of bacteria that we feel are important to track in early life.

Beyond the gut, there are a lot of other factors that also contribute to these conditions. Like genetics, lifestyle, and environmental exposures.

How can Tiny Health help?

If your child already has eczema or food allergies, it is likely that their gut could use some support! This is where Tiny Health would love to help provide insight. If your child does not have any symptoms, let’s check in on the gut and see how we can help keep things on track.

Unfortunately, it’s not possible to detect specific allergies or sensitivities through any gut microbiome test.

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