Organic Acids Test (OAT) - Nutritional & Metabolic Profile
The Organic Acids Test (OAT) provides an accurate evaluation of intestinal yeast and bacteria. Abnormally high levels of these microorganisms can cause or worsen behavior disorders, hyperactivity, movement disorders, fatigue and immune function. Many people with chronic illnesses and neurological disorders often excrete several abnormal organic acids. The cause of these high levels could include: oral antibiotic use, high sugar diets, immune deficiencies, and genetic factors.
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 Acids Test (MOAT) is ideal for 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.
Interpretation of the Organic Acids Test by Dr. William Shaw
- Evaluate energy production
- Assess central nervous system function
- Evaluate integrity of intestinal wall
- Reveal high levels of GI yeast and bacteria
- Detect nutritional and antioxidant deficiencies
- Determine problems in fatty acid metabolism
- Identify excess oxalate
Analyte (Metabolite) List
- Tartaric, Arabinose
- HPHPA (Clostridia marker)
- 4-Cresol (C. difficile)
- DHPPA (beneficial bacteria)
- Homovanillic Acid (HVA)
- Vanillmandelic Acid (VMA)
- HVA/VMA Ratio
- 5-Hydroxyindoleacetic (5-HIAA)
- Quinolinic / 5-HIAA Ratio
- Methylmalonic (Vitamin B12)
- Pyridoxic (Vitamin B6)
- Pantothenic (Vitamin B5)
- Glutaric (Vitamin B2-Riboflavin)
- Ascorbic (Vitamin C)
- 3-Hydroxy-3-methylglutaric (Vitamin Q10-CoQ10)
- N-Acetylcysteine (Glutathione precursor and chelating agent)
- Methylcitric (Vitamin H-Biotin)
10 mL of first morning urine before food or drink is suggested. Patient should avoid apples, grapes (including raisins), pears, cranberries and their juices 24 hours prior to specimen collection.
For urine instructions please click here.
- 83921 (63 units)
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