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Baby Gut Health Test

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Why families choose Tiny+ Membership

The membership gives parents more than test results — it provides continuous support, progress tracking, expert guidance, and follow-up testing throughout the most important stages of gut development. That’s why many families choose the annual plan over a one-time test.

Amy was compassionate and thorough in her recommendations. She seemed to care about my babys problems. Better than my pediatrician!
Giselle
Star was so knowledgeable and I loved the actionable steps she provided to improve my health and my baby's.
Lindsey
Amy summarized the results and next steps perfectly. I was overwhelmed by what to do when I saw how rough my daughters results were, but talking with Amy helped me feel like I can do this and help my baby girl.
Nicole
Aimee answered all my questions, and helped me make a detailed action plan for my babys health, along with a timeline for when to retest. The Information and advice is invaluable to my wife and I at this early stage.
RC
Amy was so sweet and informative. Excited to support babys gut health.
Brianna
Emily was so knowledgeable and helpful in understanding baby gut and how I can help my babys. She was kind and supportive, with personal experience from her own children.
Emily

80% of your baby’s immune system is in their gut. Take action early

  • Prevent or manage microbiome-related conditions like colic, eczema, food allergies, asthma, constipation and more
  • 2x specialized pediatric gut tests up front to test now and resample later
  • 1x coaching session with a microbiome specialist, and additional sessions for $39/ea
  • On-call support via email and text PDF download for you to share with your practitioner
  • Order additional tests for your whole family at a members-only rate of $169/kit

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Why parents choose Tiny Health

Accurate

Strain-level precision using deep-shotgun metagenomics, the microbiome gold standard.

Affordable

Get a complete picture of your microbiome at a fraction of the cost of a traditional PCR test.

Easy

Take the test at home in 5 minutes with our mess-free sample collector.

Actionable

Get actionable dietary, supplement and lifestyle recommendations from our microbiome experts based on your results.

What you'll learn

  • Your child’s immune strength and whether or not they carry bacteria to protect the gut. Signs that these are missing include colic, fussiness, gas, and sleep issues‍
  • If your baby has microbiome biomarkers for eczema, allergies, and asthma. Research shows that these disorders may be preventable and reversible - if you catch them in timeIf your baby has conditions associations for sleep, constipation and more
  • What microbes has mom transferred to baby during birth? This process is called seeding and you want see more than a 60% transfer within the first 6 months

How it works

  • A person's hands holding a small test vial and an applicator swab with a sample on the tip. The photo is taken from a first-person perspective in a cozy living room.
    1

    Take our mess-free test at home

  • A person's hands holding a small, black, honeycomb-textured Tiny Health envelope.
    2

    Return your sample in the included box

  • A person sitting in a living room, holding a smartphone. The phone screen is visible, showing a health app with the title "Lana's Results" and a score of 63 displayed next to a graph.
    3

    Take action with your personalized report

  • A person at a kitchen counter uses a laptop for a video call. The screen shows a telehealth session where "tinyhealth" results are being reviewed, with two other participants visible in video windows on the side.
    4

    Resample and thrive with expert support

Your baby’s gut changes dramatically during their first 1,000 days

As their gut matures, you want to see it hitting specific milestones to reduce and avert microbiome-related conditions like eczema, allergies, asthma, and diabetes later in life.

Milk Lover

Bif and Bacteroides are seeded from Mom
  • Bifidobacterium dominated
  • Often high unfriendly bacteria is okay
  • Low amounts of food-associated bacteria
  • Low levels of diversity is normal
Age (0-4m)

Baby on the Move

Baby’s first solids! Followed closely by gross solid poops
  • Still Bifidobacterium dominated
  • Unfriendly shouldn’t be very high anymore
  • Some amounts of food-associated species
  • Diversity increases as baby starts exploring
Age (5-9m)

Solid Adventurer

You introduce more solids. They get more and more bacteria!
  • Here’s where we often see Bifidobacterium no longer king
  • Food-associated bacteria are on the rise,  and we want to see diversity up, too
  • Baby’s gut is starting to look like a thriving toddler
Age (9-12m)

Confident Eater

Maybe weaning, maybe not. Each journey’s different
  • Bifidobacterium are still lingering, but they’ve had their time
  • Baby’s microbiome is starting to share more and more microbes with parents
  • Now diversity is critical to good digestive health
Age (1-2y)

Energetic Toddler

Your baby’s gut is now harder to throw off balance
  • Baby’s gut is stabilizing
  • Now diversity rules the gut with food-associated bacteria moving in to stay
  • Good eating habits and the right bacteria will set your baby on the right track
Age (2-3y)

Choose the plan that's best for your child

Annual subscription

$399

Tiny+ Membership

  • Mess-free gut microbiome health test for babies and toddlers, ages 0 - 3 years old
  • Personalized Results Review session with a microbiome specialist
  • Biomarkers for your child’s eczema, allergies, asthma, and metabolic health
  • Conditions associations for sleep, constipation, and more
  • Gut health report with personalized tips (delivered in approximately 3-4 weeks)
  • 2x Tiny Health Baby Gut Tests(measure improvements and prevent imbalances)
  • 2x Gut health reports(delivered 2-3 weeks after each test)
  • 1x Dedicated 1:1 functional health coaching call,to work through your plan
  • Unlimited text and email support
  • PDF report you can share with your practitioner
  • Unlimited additional functional health coaching for $39/call
  • Plus get additional tests for the family at only $169/kit

Charged yearly  •  Auto-renews

Inclued

Repeat testing, coaching, member pricing, and ongoing support.
One-time

$249

Baby Gut Health Test

  • Mess-free gut microbiome health test for babies and toddlers, ages 0 - 3 years old
  • Personalized Results Review session with a microbiome specialist
  • Biomarkers for your child’s eczema, allergies, asthma, and metabolic health
  • Conditions associations for sleep, constipation, and more
  • Gut health report with personalized tips (delivered in approximately 3-4 weeks)

One time purchase

Upgrade anytime

Unlock repeat tests, coaching support, and member savings.

Choose the plan that's best for your child

One-time

$249

Baby Gut Health Test

Order now

One time purchase

Annual subscription

$399

Tiny+ Membership

Charged yearly  •  Auto-renews

Mess-free gut microbiome health test for babies and toddlers, ages 0 - 3 years old
Start with one test, then upgrade anytime to unlock repeat testing, coaching support, and member-only savings.
Unlock repeat tests, coaching support, and member savings.
Personalized Results Review session with a microbiome specialist
Included with your plan: repeat testing, expert support, discounted add-ons, and ongoing gut health tracking.
Repeat testing, coaching, member pricing, and ongoing support.
Biomarkers for your child’s eczema, allergies, asthma, and metabolic health
Conditions associations for sleep, constipation, and more
Gut health report with personalized tips (delivered in approximately 3-4 weeks)
2x Tiny Health Baby Gut Tests(measure improvements and prevent imbalances)
2x Gut health reports(delivered 2-3 weeks after each test)
1x Dedicated 1:1 functional health coaching call,to work through your plan
Unlimited text and email support
PDF report you can share with your practitioner
Unlimited additional functional health coaching for $39/call
Plus get additional tests for the family at only $169/kit
Reactive approach

Upgrade anytime

Unlock repeat tests, coaching support, and member savings.

Inclued

Repeat testing, coaching, member pricing, and ongoing support.

"SO glad that I found Tiny Health, I only wish I had found them sooner!"

"I've worked with a functional medicine practitioner for years so I know how insanely important our gut health is, and I feel so great knowing that I'm taking steps now to ensure that my daughter's gut is as strong as it can be as she grows! I want to do everything I can to help her develop a strong immune system and Tiny Health has made that possible. The detailed action plan from her 7-day gut microbiome testing results made it so easy to find the right probiotic for her needs."

Carly Hartwig
Miami, FL
A picture of a happy mom with her baby smiling

"We were simply interested in our baby's microbiome but then..."

"Initially we were simply interested in the microbiome of our baby, and he turned out to have low levels of bifidobacteria. We found that a few days of a recommended probiotic already solved that problem! Then things got more serious. At 6 months old he was hospitalized with severe pneumoniae, and needed the most extreme antibiotics to save his life. It took a while but after months of following Tiny Health's advice, no trace of potentially antibiotic-resistant bacteria are left!""

Jessie M.
Rochester, MN
A happy mother of caucasian features in the forest with her baby in arms

"Tiny Health is my greatest tip for expectant parents"

"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: to identify and address my own low bifidobacterium levels, help me find strategies to navigate the use of cleaning products during COVID, and take restorative steps after her early antibiotic exposure."

Charlotte M.
Miami, FL
A happy mother of caucasian features smiling to camera with her baby in arms

"SO glad that I found Tiny Health, I only wish I had found them sooner!"

"I've worked with a functional medicine practitioner for years so I know how insanely important our gut health is, and I feel so great knowing that I'm taking steps now to ensure that my daughter's gut is as strong as it can be as she grows! I want to do everything I can to help her develop a strong immune system and Tiny Health has made that possible. The detailed action plan from her 7-day gut microbiome testing results made it so easy to find the right probiotic for her needs."

Carly Hartwig
Miami, FL
A happy mother of caucasian features and brown hair in her home with her baby in arms

"Within days we saw a huge improvement in our baby's fussiness"

"I was at a loss when my 1+ month old son was suffering from colic and gas. It caused a lot of distress and sleepless nights. We decided to give Tiny Health a try because we suspected his microbiome might not be so good. They recommended that we get our baby on probiotics and within days we saw a huge improvement in his fussiness (he was sleeping better and wasn't crying as much!). We can't wait to do another sample when our baby is a bit older so we can see how his gut is performing."

Vijen T.
Walnut Creek, CA
A happy father of asian features smiling to camera with his baby in arms

"We were able to identify and take action on his condition early on"

“As a first-time mom, I didn’t realize the impact my diet during pregnancy could have on my baby’s microbiome.  Thanks to Tiny Healthy I was able to adjust my diet and take the necessary steps to ensure my baby’s health. After he was born, I tested him and followed Tiny Health’s recommendations.  After 4 months, we retook the test and saw a drastic improvement. We were able to take the proper preventative steps to make his immune system stronger.  We are so thankful!”

Katie L.
Pleasanton, CA
A happy mother of asian features and black hair in her home with her baby in arms

"Tiny Health provided me with clear data to support gut health"

"Tiny Health has really gone above and beyond in providing helpful and reassuring data from my vaginal and my baby’s gut test. With this pregnancy, I worked really hard on my gut health and I had no idea how much it affected the baby’s gut. If you are looking for the root cause of any issue or how to improve baby’s gut, Tiny Health's gut tests will lead you to those answers."

Ferisa G.
Des Plaines, IL
A happy mother of caucasian features and blonde hair in the beach with her baby in arms

Frequently asked questions

Why is gut health important? Is testing really worth it?

Emerging microbiome research has shown the importance of gut health to our overall health. The science links 80% of our immune system to the gut. So, taking steps to improve gut health supports lifelong wellness.

There are many tools and strategies to help improve your gut health. These include eating the best foods and taking supplements for gut health, or working with a gut health coach. Yet there is no one-size-fits-all approach to gut health. For example, taking a probiotic for the gut may be beneficial for some individuals. In others, it could do more harm than good. Imagine there’s already high levels of a beneficial microbe in your gut. Taking a probiotic could boost those levels to a point where they are too high, resulting in low diversity in the gut microbiome.

Taking a gut microbiome test is the best way to determine if there are any imbalances in your gut that need course correction. Testing helps educate you on the best actions for your unique microbiome. And you can retest to track if dietary changes and gut health supplements or probiotics are having the intended effect.

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

For our gut test 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.

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How solid is the science?

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.
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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.

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What does a Tiny Health test look for? What is included?

Tiny Health screens for over 120,000 microbes. This includes bacteria, fungi, parasites, viruses, and archaea found in the microbiome. Each microbiome test kit includes a mess-free stool or vaginal swab with instructions. You return your kit in the pre-paid mailer, which goes to our CLIA and CAP certified lab for microbiome sequencing. In 3-4 weeks, you receive a precision report of your results. This includes personal, evidence-based suggestions to improve your gut or vaginal health.

Summary + Expert Highlight
Your summary gives you a bird’s eye view of your gut or vaginal health report. This includes a customized plan prepared by one of our microbiome experts.

The expert highlight guides you through the results. We help you understand what the data means and which actions to take first.

Key Insights
Learn about current imbalances that are important for your specific age. This means a 4-month old gets different metrics from a 12-month old. And a 2-year old gets different metrics than a 40-year old.

Microbiome Breakdown
You receive a comprehensive list of all microbes found in your sample. We categorize them as beneficial, unfriendly, variable, or unknown and provide detailed descriptions of each microbe. You can see how much of each microbe is present, down to a 0.05% abundance level. (No other baby gut test does this!)

Conditions
This section of the report identifies if you have microbiome signatures for certain conditions. These markers could predict an increased risk of developing that condition.

Action Plan
We provide personal, evidence-based suggestions based on your test results and survey responses. Our suggestions may include actual products and brands that we recommend. You'll also receive useful diet, supplement, and lifestyle tips.

Curious? Explore a Sample Report

My doctor has never heard of this type of microbiome testing. Why should I take a test?

Conventional medical providers usually are not trained in microbiome testing and probiotics, since these things aren't currently standard of care in those settings. In addition, many conventionally trained physicians also have limited nutritional training, and diet is one of the most powerful ways you can optimize microbiome health. While conventional medicine can have lots of insight into sick care, it isn't always the best at wellness and prevention. Plus it can take 10-15 years for the medical field to put new academic research into practice!

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

‍Our team of leading pediatric scientists and physicians are on the cutting edge of microbiome health. We are prevention and wellness focused. We've developed tests to give families access to this innovative science right now.

Can a gut test help with eczema, allergies, or asthma?

Eczema, allergies, and asthma are inflammatory conditions. Tiny Health microbiome tests help you identify inflammation at its source, your gut. With deep insights into your gut microbes, you can take action and help prevent or reduce inflammation in your body.

Here are two ways caring for your microbiome can help with inflammatory conditions:

1. In our first few years of life, our gut microbes help train our immune system how to behave. Without proper training, our immune system can contribute to long term issues with inflammation (e.g., eczema, allergies, asthma). The goal is to address imbalances early. That way, the immune system has proper education. This may even help prevent inflammatory conditions from developing.

2. At any age, the microbiome can become unbalanced. This may trigger inflammatory symptoms in our bodies. This can weaken the gut lining, cause leakiness or inflammation, and trigger the immune system. It is important to address these imbalances. Better gut health is possible at any age.

Tending to your gut health is beneficial for overall health and wellness. But your gut may not be the only factor contributing to inflammatory conditions. Many families have successfully reduced or eliminated symptoms by testing and taking action. When you use Tiny Health tests, you can rest assured that a team of gut health specialists are here to support your health journey.

Can a microbiome test tell me about lactose, dairy intolerance, or specific food allergies?

No, a gut microbiome test kit cannot detect lactose intolerance or specific food sensitivities.

At Tiny Health, we can help you understand your gut health and how it may contribute to symptoms of these food sensitivities.

Lactose intolerance refers to trouble digesting the milk sugar, lactose. It is different from cow milk protein allergy, which involves an immune response. Cow milk protein allergy is somewhat common in babies. But lactose intolerance is very rare in children under the age of 5 years old.

There are two 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. Damage to the lining of the small intestine can lead to secondary lactose intolerance. Usually this happens in adults, after a long period of gut inflammation.

Gut microbes can cause lactose intolerance if they are causing gut inflammation. Repairing the gut and clearing inflammation can help support lactose digestion.

If you or your child is having issues with a food sensitivity, talk to a healthcare provider. It is important to understand the root cause. Specific food allergies and sensitivities are often determined by a blood test.

However, for children who are reactive to a wide variety of foods, the common cause may be related to an imbalance in the microbiome, and less the individual foods. Inflammation in the gut may damage the gut lining, and gut leakiness may permit dietary triggers to get into the rest of the body, triggering reactions. For some children, healing the gut can reduce their reactivity to foods.

What’s included in Tiny+ Membership?

A Tiny+ Membership includes:

  • 2 Tiny Health Gut Microbiome Tests
  • 1 Functional Health Coaching Session with a dedicated microbiome specialist
  • Exclusive Discounts: Purchase additional gut or vaginal microbiome tests for $169 per kit, and additional coaching sessions for $39/session during your membership
  • Members-only virtual sessions

Note: Only one membership is needed per family. You can access discounted gut or vaginal tests and coaching sessions for your immediate family members.

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Can I use my HSA/FSA to pay for Tiny+

Many of our members use their HSA/FSA to pay for clinical fees and tests.

However, we recommend checking with your FSA/HSA company/carrier for information on what details are required or check out our HSA/FSA page

In case there is any additional documentation you need, feel free to reach out to us at customer support, we’re more than happy to help you with the necessary paperwork.

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Will you try to push me supplements?

No. We don't even take affiliate revenue from products we recommend because we stand behind the science.