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Great Plains

Product code: CMI30

Category: Digestive Health

Category: Energy

Category: Nutrition

Category: The Essentials

OAT (Organic Acid Test)

£231.00

OAT (Organic Acid Test)
OAT (Organic Acid Test)
OAT (Organic Acid Test)

Great Plains

Product code: CMI30

Category: Digestive Health

Category: Energy

Category: Nutrition

Category: The Essentials

OAT (Organic Acid Test)

£231.00

The Organic Acids Test (OAT) offers a comprehensive metabolic snapshot of a patient’s overall health with 76 markers.  It provides an accurate evaluation of intestinal yeast and bacteria.  Abnormally high levels of these microorganisms can cause or worsen behaviour disorders, hyperactivity, movement disorders, fatigue and immune function. Many people with chronic illnesses and neurological disorders often excrete several abnormal organic acids in their urine. The cause of these high levels could include oral antibiotic use, high sugar diets, immune deficiencies, acquired infections, as well as genetic factors.


Great Plains Organic Acids Test also includes markers for vitamin and mineral levels, oxidative stress, neurotransmitter levels, and is the only OAT to include markers for oxalates, which are highly correlated with many chronic illnesses.

If abnormalities are detected using the OAT, treatments can include supplements, such as vitamins and antioxidants, or dietary modification. Upon treatment, patients and practitioners have reported significant improvement such as decreased fatigue, regular bowel function, increased energy and alertness, increased concentration, improved verbal skills, less hyperactivity, and decreased abdominal pain. The OAT is strongly recommended as the initial screening test.

The Microbial Organic Acid Test is ideal for the follow-up to the OAT and is often recommended by practitioners looking for a specific abnormality, to monitor certain microbial imbalances, or to assess treatment efficacy.

  • 2-Hydroxybutyric
  • 2-Hydroxyhippuric
  • 2-Hydroxyisocaproic
  • 2-Hydroxyisovaleric
  • 2-Hydroxyphenylacetic
  • 2-Oxo-4-methiolbutyric
  • 2-Oxoglutaric
  • 2-Oxoisocaproic
  • 2-Oxoisovaleric
  • 3-Hydroxy-3-methylglutaric (CoQ10)
  • 3-Hydroxybutyric
  • 3-Hydroxyglutaric
  • 3-Indoleacetic
  • 3-Methyl-2-oxovaleric
  • 3-Methylglutaconic
  • 3-Methylglutaric
  • 3-Oxoglutaric
  • 4-Cresol (C. di­fficile)
  • 4-Hydroxybenzoic
  • 4-Hydroxybutyric
  • 4-Hydroxyhippuric
  • 4-Hydroxyphenylacetic
  • 4-Hydroxyphenyllactic
  • 5-Hydroxyindolacetate (5HIAA)
  • 5-Hydroxymethyl-2-furoic
  • Acetate
  • Acetoacetic
  • Aconitic
  • Adipic
  • Arabinose
  • Ascorbic (Vitamin C)
  • Carboxycitric
  • Citramalic
  • Citric
  • Creatinine
  • Ethylmalonic
  • Fumaric
  • Furan-2
  • Furancarbonylglycine
  • Glutamate
  • Glutathione
  • Glyceric
  • Glycine
  • Glycolic
  • Hippuric
  • Homogentisic
  • Homovanillate (HVA)
  • HPHPA (Clostridia marker)
  • HVA/VMA Ratio
  • Kynurenic
  • Lactic
  • Malic
  • Malonic
  • Mandelic
  • Methylcitric (Biotin)
  • Methylmalonic Acid (MMA)
  • Methylsuccinic
  • N-Acetylaspartic
  • N-Acetylcysteine (Glutathione precursor and chelating agent)
  • Orotic
  • Oxalic
  • Pantothenic (Vitamin B5)
  • pH
  • Phenyllactic
  • Phenylpyruvic
  • Phosphoric
  • Pyridoxic (Vitamin B6)
  • Pyroglutamate
  • Pyruvic
  • Quinolinic
  • Quinolinic / 5-HIAA Ratio
  • Sebacic
  • Suberic
  • Succinic
  • Tartaric
  • Thymine
  • Tin
  • Tricarballylic
  • Uracil
  • Vanilla
  • Vanilmandelate (VMA)
  • Vitamin B2
  • Vitamin B6
  • Vitamin C
Read more

The Organic Acids Test (OAT) offers a comprehensive metabolic snapshot of a patient’s overall health with 76 markers.  It provides an accurate evaluation of intestinal yeast and bacteria.  Abnormally high levels of these microorganisms can cause or worsen behaviour disorders, hyperactivity, movement disorders, fatigue and immune function. Many people with chronic illnesses and neurological disorders often excrete several abnormal organic acids in their urine. The cause of these high levels could include oral antibiotic use, high sugar diets, immune deficiencies, acquired infections, as well as genetic factors.


Great Plains Organic Acids Test also includes markers for vitamin and mineral levels, oxidative stress, neurotransmitter levels, and is the only OAT to include markers for oxalates, which are highly correlated with many chronic illnesses.

If abnormalities are detected using the OAT, treatments can include supplements, such as vitamins and antioxidants, or dietary modification. Upon treatment, patients and practitioners have reported significant improvement such as decreased fatigue, regular bowel function, increased energy and alertness, increased concentration, improved verbal skills, less hyperactivity, and decreased abdominal pain. The OAT is strongly recommended as the initial screening test.

The Microbial Organic Acid Test is ideal for the follow-up to the OAT and is often recommended by practitioners looking for a specific abnormality, to monitor certain microbial imbalances, or to assess treatment efficacy.

Turnaround time: 30 WORKING DAYS
  • 2-Hydroxybutyric
  • 2-Hydroxyhippuric
  • 2-Hydroxyisocaproic
  • 2-Hydroxyisovaleric
  • 2-Hydroxyphenylacetic
  • 2-Oxo-4-methiolbutyric
  • 2-Oxoglutaric
  • 2-Oxoisocaproic
  • 2-Oxoisovaleric
  • 3-Hydroxy-3-methylglutaric (CoQ10)
  • 3-Hydroxybutyric
  • 3-Hydroxyglutaric
  • 3-Indoleacetic
  • 3-Methyl-2-oxovaleric
  • 3-Methylglutaconic
  • 3-Methylglutaric
  • 3-Oxoglutaric
  • 4-Cresol (C. di­fficile)
  • 4-Hydroxybenzoic
  • 4-Hydroxybutyric
  • 4-Hydroxyhippuric
  • 4-Hydroxyphenylacetic
  • 4-Hydroxyphenyllactic
  • 5-Hydroxyindolacetate (5HIAA)
  • 5-Hydroxymethyl-2-furoic
  • Acetate
  • Acetoacetic
  • Aconitic
  • Adipic
  • Arabinose
  • Ascorbic (Vitamin C)
  • Carboxycitric
  • Citramalic
  • Citric
  • Creatinine
  • Ethylmalonic
  • Fumaric
  • Furan-2
  • Furancarbonylglycine
  • Glutamate
  • Glutathione
  • Glyceric
  • Glycine
  • Glycolic
  • Hippuric
  • Homogentisic
  • Homovanillate (HVA)
  • HPHPA (Clostridia marker)
  • HVA/VMA Ratio
  • Kynurenic
  • Lactic
  • Malic
  • Malonic
  • Mandelic
  • Methylcitric (Biotin)
  • Methylmalonic Acid (MMA)
  • Methylsuccinic
  • N-Acetylaspartic
  • N-Acetylcysteine (Glutathione precursor and chelating agent)
  • Orotic
  • Oxalic
  • Pantothenic (Vitamin B5)
  • pH
  • Phenyllactic
  • Phenylpyruvic
  • Phosphoric
  • Pyridoxic (Vitamin B6)
  • Pyroglutamate
  • Pyruvic
  • Quinolinic
  • Quinolinic / 5-HIAA Ratio
  • Sebacic
  • Suberic
  • Succinic
  • Tartaric
  • Thymine
  • Tin
  • Tricarballylic
  • Uracil
  • Vanilla
  • Vanilmandelate (VMA)
  • Vitamin B2
  • Vitamin B6
  • Vitamin C
Read more

Learn more

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