Organic Acids (OAT)
The Organic Acids Test (OAT) provides a comprehensive metabolic analysis of a patient's overall health, including intestinal yeast and bacteria, vitamin and mineral levels, oxidative stress, neurotransmitter levels, and oxalates.
The OAT is one of the most information‑dense functional labs you can run. It gives you a biochemical snapshot of what’s happening inside the body that no stool test, blood test, or genetics test can show on its own.
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Detects yeast and Candida overgrowth
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Identifies mold colonization and fungal toxins
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Reveals bacterial dysbiosis in the small intestine (SIBO‑type patterns)
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Assesses mitochondrial function and ATP production
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Shows Krebs cycle efficiency (energy metabolism)
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Measures neurotransmitter metabolites (dopamine, serotonin, norepinephrine, GABA)
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Identifies functional nutrient deficiencies (B‑vitamins, vitamin C, CoQ10, carnitine)
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Evaluates detoxification pathways (Phase I, Phase II, glutathione demand)
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Detects oxidative stress and free radical activity
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Highlights fatty acid metabolism issues
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Screens for oxalate overload
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Provides insight into mood, focus, and cognitive symptoms
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Helps explain fatigue, brain fog, and poor recovery
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Complements stool testing by showing upper GI and small intestine activity
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Offers a biochemical snapshot of metabolic function not seen in blood or stool tests
Sample Type: Urine
Collection Location: At Home