See the gut's entire bacterial ecosystem and understand what it means for your health.
Patented science. Next-generation sequencing. AI‑powered analysis.
Kits from $399.00
Powered by patented Titan-1 Technology
For clinicians and practitioners
The clinical evidence, and how practice accounts work.
See the science →Register your interest →Two tests, one sample
Both read your entire gut ecosystem in the same laboratory. The difference is how far beyond the gut the report looks.
CGI · Core Gut Insights
$399.00free shipping both ways
Built for: bloating, irregularity, IBS, IBD, SIBO — anything that starts in the gut.
CMA · Complete Microbiome Assessment
$599.00free shipping both ways
Built for: symptoms that reach beyond the gut — mood, energy, skin, weight, immunity — or a clinician who wants the full picture.
Not sure which test? Read the side-by-side, or see how GutID fits into a plan with your practitioner.
Compare CGI and CMAThe five Gut Axes we report on
These are the questions people bring us. Your report is organized around the systems behind them — Gut-Gastrointestinal, Gut-Brain, Gut-Heart, Gut-Metabolism and Gut-Immune.
Order your kit, collect at home, post it back. Titan-1 analysis follows, and your results arrive with recommendations you and your clinician can act on.
In their words
Customers and the practitioners they work with, on what the report changed.
For years, I struggled with health issues, including persistent acne, only to be told that all standard tests were normal. But I knew something wasn't right. It wasn't until my physician recommended GutID that I finally found answers. GutID has been absolutely instrumental in my health journey, providing insights I couldn't find elsewhere.
GutID revealed my FODMAP sensitivity and probiotic needs, giving my clinician the insight to provide precise advice that keeps my gut feeling great.
GutID helped my nutritionist find the right probiotics and supplements to ease my years of stomach issues.
GutID helped me realize how important gut health is - now I can enjoy the foods I love while avoiding what irritates my gut.
A partial picture can send you in the wrong direction. GutID identifies the organisms that usually go uncounted, so what you act on reflects what is actually in your gut.
Your gut bacteria are linked to far more than how your stomach feels. GutID reports across the systems they touch, not the digestive one alone.
Your report comes with specific food, supplement and lifestyle direction — to act on yourself, or to take to your clinician.
Titan-1 Technology
Most gut tests read a short snippet of bacterial DNA and work the rest out by inference. Titan-1 reads a long, unbroken stretch — and that one difference runs through everything below.
1 / 3
Some gut bacteria have tough outer coats, and the usual methods struggle to break them open — what a test cannot open, it cannot see, so those bacteria quietly go missing. But force it, and you damage the DNA of the more delicate bacteria instead, and those get read badly. We make our own method that opens the tough ones without harming the rest, so both get counted properly.
2 / 3
Most tests read short fragments of DNA and piece the answer together, a bit like naming a book from a few scattered sentences. Our patented approach reads one long, unbroken stretch instead — enough to tell very similar bacteria apart. That only works because the DNA arrives undamaged.
3 / 3
Most tests name bacteria by matching them to a fixed list, so anything missing from that list gets overlooked or labeled wrongly. Our own AI-driven software works out identity from the DNA itself, so unusual and less-studied bacteria still show up.
Side by side
Most gut tests read DNA in short fragments, then reassemble the picture afterwards — and every reassembly is a chance to name the wrong organism. Shotgun approaches also spend much of the read on human DNA rather than bacteria. Targeted ones only find what they were already told to look for.
Titan-1 reads one long, unbroken stretch instead. That is what accuracy, completeness and detail come down to here: naming the organism correctly, missing fewer of them, and telling near-identical ones apart.
| qPCR | 16S-only | Shotgun metagenomics | Titan-1 | |
|---|---|---|---|---|
| What it reads | Only the bacteria you already thought to look for | One short stretch of one gene | Everything in the sample, in short fragments | One long, unbroken stretch, read end to end |
| How precisely it names them | Only what is on the list | Usually the family, not the exact bacterium | The family, sometimes the species; almost never the strain | Down to the species and the strain |
| Unfamiliar bacteria | Missed — they are not on the list | Often labeled wrongly | Depends on the reference list | Worked out from the DNA itself |
| How much of each there is | Not comparable between targets | Skewed | Skewed by fragment size | Kept accurate |
Rows describe the general characteristics of each method, not any specific product. Comparison of sequencing approaches informed in part by Gehrig et al., Microbial Genomics, 2022.
For clinicians
Most microbiome testing sorts bacteria into good and bad. That runs out quickly in practice, because what matters is how the community behaves as a whole — its diversity, its balance, and how well it recovers. GutID reports the gut microbiome that way, and we help your team learn to work with it that way.
Diversity, balance and how well a gut community recovers tell you more than a list of organisms sorted into helpful and harmful.
A written, six-step way of reading a report, so it is repeatable across your team and across a patient's follow-up.
A certified practitioner programme, and our clinical team on hand when a case is complicated.
Gut health, the science behind the test, and how clinicians are using it in practice.
Firmicutes to Bacteroidetes Ratio: What It Actually Means
The F/B ratio is widely cited but often misunderstood. Learn what it measures, why it needs context, and how ecosystem-level testing provides a clearer picture.
Histamine Intolerance and the Gut Microbiome: Is There an Ecosystem Connection?
Explore how gut bacteria may influence histamine production and metabolism, and why ecosystem-level microbiome testing matters for histamine intolerance.
GutID vs. Genova GI Effects: Which Gut Test Is Right for Your Patients?
