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Recommended TestMetabolic HealthUpload compatible
Organic Acids Test (OAT)
76 metabolic markers from a single urine sample
$300–$400~14 business days1 ordering option
What Gabriel reads for
Mitochondrial function and energy production markers
Neurotransmitter metabolites (serotonin, dopamine, norepinephrine)
Yeast and bacterial overgrowth markers (arabinose, HPHPA)
Cost
$300–$400
Turnaround
~14 business days
Ordering path
Mosaic Diagnostics
Results flow
Upload + interpret in Gabriel
What this test reveals
What this test reveals
The Organic Acids Test (OAT) from Mosaic Diagnostics is one of the most comprehensive metabolic snapshots available, measuring 76 organic acid markers in urine that reflect mitochondrial function, neurotransmitter metabolism, nutrient status, oxidative stress, and microbial overgrowth.
Organic acids are metabolic byproducts that, when elevated, indicate specific enzyme deficiencies, nutrient needs, or microbial imbalances. OAT is particularly valuable for identifying mitochondrial dysfunction, yeast and bacterial overgrowth, and neurotransmitter imbalances that drive fatigue, brain fog, and mood disorders.
People usually reach for this kind of diagnostic when they want a clearer read on mitochondrial function and energy production markers, neurotransmitter metabolites (serotonin, dopamine, norepinephrine), yeast and bacterial overgrowth markers (arabinose, hphpa), especially when symptoms or prior testing still leave blind spots.
Once results are back, you can upload them into Gabriel to connect the findings to symptoms, protocols, and next-step testing instead of leaving them as a static report.
Commonly relevant for: Chronic Fatigue Fibromyalgia, Brain Health Neurodegeneration, Gut Issues Ibs Sibo Leaky Gut.
Gabriel difference
Why this becomes more useful inside Gabriel
OAT is the metabolic test that connects the dots conventional medicine misses. A patient with fatigue might have normal bloodwork but an OAT showing crippled mitochondrial function and massive yeast overgrowth. Gabriel uses OAT data to identify the specific biochemical bottlenecks driving your symptoms and to design targeted supplementation protocols — not shotgun approaches.
Gabriel interprets results through a functional, root-cause lens: optimal ranges, pattern recognition across multiple diagnostics, and what the findings actually mean for action rather than just classification.
That means this test can feed directly into protocols, practitioner matching, food strategy, and follow-up testing instead of ending as a one-off PDF or lab portal result.
What to expect
What to expect from ordering to results
01
Order
Order directly through Mosaic Diagnostics or ask Gabriel whether there is a better path first.
02
Complete
Collect a first-morning urine sample at home using the provided kit. Ship it in the prepaid envelope.
03
Interpret
Upload the results to Gabriel for pattern recognition, protocol suggestions, and next-step guidance.
Frequently asked questions
Questions people usually ask before ordering
OAT analyzes 76+ metabolic byproducts in your urine to assess energy production, gut health, neurotransmitter levels, nutrient status, detoxification capacity, and oxidative stress. Think of it as a metabolic snapshot that reveals how efficiently your body's biochemical machinery is running.
Blood tests measure what's circulating. OAT measures what your cells are actually doing with those nutrients. It can detect mitochondrial dysfunction, Candida overgrowth, bacterial dysbiosis, B-vitamin deficiencies, glutathione depletion, and neurotransmitter imbalances that standard blood panels miss entirely.
You collect a first-morning urine sample at home using the provided kit and mail it to the lab. No special preparation is needed, though your practitioner may advise temporarily pausing certain supplements that could affect results.
Typically $300-400 depending on the lab (Great Plains/MosaicDX, Genova, or Diagnostic Solutions). Insurance rarely covers it, but HSA/FSA funds usually apply. Many practitioners consider it one of the highest-value functional medicine tests for the price.
Anyone with chronic fatigue, brain fog, digestive issues, mood disorders, recurring infections, or unexplained symptoms that standard testing hasn't resolved. It's particularly valuable for children with autism spectrum conditions, people with suspected Candida overgrowth, and anyone with mitochondrial concerns.
Not sure which test belongs in your workup?
Tell Gabriel your symptoms, goals, and what you have already tried. You will get a more useful answer than a generic test catalog can give you.