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Nutritional Status - Urine Amino Acids

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$225.00

Amino acid (AA) nutritional testing aids in the identification of dietary protein adequacy and amino acid balance, gastrointestinal dysfunctions, forms of protein intolerance, vitamin and mineral deficiencies, renal and hepatic dysfunction, psychiatric abnormalities, susceptibility to inflammatory response and oxidative stress, reduced detoxification capacity and many other inherent and acquired disorders in AA metabolism. Plasma is traditionally used to assess the status of essential AA while urine analysis provides more information regarding AA wasting and aberrant metabolism associated with co-factor insufficiencies.

Turnaround Time

5 to 7 days

Sku : A2819
Brand : Doctors Data

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This test is useful for

  • ADD/ADHD
  • Autism Spectrum Disorders
  • Cardiovascular Disease
  • Depression and Anxiety
  • Digestive Disorders
  • Epilepsy
  • Fatigue
  • Hypertension
  • Infertility
  • Insomnia
  • Kidney Function
  • Nutritional Deficiencies
  • Rheumatoid Arthritis

For More Details:

Please contact us at (714) 864-3730 or pe@anti-fragilityhealth.com to order your test.

Nutritional Status

Proper nutritional intake is essential to overall health and provides the raw materials the body needs to function in the form of carbohydrates, proteins, fats, vitamins and minerals. Nutritional testing from Doctor's Data can give you a clear view into nutritional status. Carbohydrates are broken down into sugars and used as energy. Protein is broken down into individual amino acids and used to build and repair muscles, the immune and nervous systems, hormones and organs. The body requires fats which function within the membranes that surround all the body’s cells and are needed to signal hormones. Vitamins and minerals typically function as co-enzymes and have protective anti-inflammatory and antioxidant effects.

The typical Western diet contains too many carbohydrates and saturated fats, and is often low in nutrients such as vitamins and minerals. Poor dietary choices can cause nutritional deficiencies and imbalances which may require dietary changes or nutritional supplementation.

Doctor's Data offers a wide range of nutritional testing profiles used to assess nutritional status and to monitor patient response to nutritional interventions.

Detailed Information

Many individuals have "hidden" impairments in amino acid metabolism that are problematic and often go undiagnosed. These impairments may or may not be expressed as specific symptoms. They may silently increase susceptibility to a degenerative disease or they may be associated with, but not causative for, a disease. Because of the wealth of information provided, it is suggested that a complete amino acid analysis be performed whenever thorough nutritional testing and a metabolic workup is called for.

Amino acid analysis provides fundamental information about nutrient adequacy, including the quality and quantity of dietary protein, digestive disorders, and vitamin and mineral deficiencies—particularly folic acid, B12, B6 metabolism, zinc and magnesium. In addition, amino acid analysis provides important diagnostic information about hepatic and renal function, availability of precursors of neurotransmitters, detoxification capacity, susceptibility to occlusive arterial disease (homocystine), and many inherent disorders in amino acid metabolism.

The patient's results are presented in a functional format that permits ease of interpretation. A comprehensive summary of "presumptive needs" (such as B6, B12/folate, Mg) and "implied conditions" (such as maldigestion/malabsorption, abnormal gastrointestinal flora, impaired detoxification, oxidative stress) are presented based upon each patient's results. Patient-specific amino acid supplement schedules and user-friendly commentary are provided to simplify nutritional intervention.

Plasma vs. Urine Analysis


Plasma is traditionally used to assess the status of essential AA while urine analysis provides more information regarding AA wasting and aberrant metabolism associated with co-factor insufficiencies.

Plasma amino acid nutritional testing measures what is being transported at the time of sampling. The specimen should be collected after an overnight fast to reduce the influence of dietary protein. Abnormalities are deduced by comparison of measured levels with an established reference range.

The 24-hour urine amino acid analysis has the highest probability of detecting abnormalities if renal function is normal. The 24-hour test indicates what is high and low over the course of a day, reflects blood and tissue amino acid pools, and is not affected by circadian rhythm. Healthy kidneys efficiently conserve essential amino acids. Therefore, urine levels of amino acids decrease first and tend to give an earlier indication of inadequacy than do plasma levels.

A first morning void urine (FMV) amino acid analysis, with results normalized per gram creatinine, provides an alternative when a complete 24-hour collection is not a viable option. The FMV analysis is excellent for identification of marked abnormalities, particularly with respect to gastrointestinal health, inherited disorders in amino acid metabolism and renal function, and can be used for protein challenge testing. 

Analytes Tested

  • 1-Methylhistidine; urine
  • 3-Methylhistidine; urine
  • A-Amino-n-butyrate; urine
  • A-Aminoadipate; urine
  • Alanine; urine
  • Ammonia; urine
  • Anserine; urine
  • Arginine; urine
  • Asparagine; urine
  • Aspartic Acid; urine
  • B-Alanine; urine
  • B-Aminoisobutyrate; urine
  • Carnosine; urine
  • Citrulline; urine
  • Creatinine; urine
  • Cystathionine; urine
  • Cysteine; urine
  • Cystine; urine
  • Ethanolamine; urine
  • G-Aminobutyrate; urine
  • Glutamic Acid; urine
  • Glutamine : Glutamate
  • Glutamine; urine
  • Glycine; urine
  • Histidine; urine
  • Homocystine; urine
  • Hydroxyproline; urine
  • Isoleucine; urine
  • Leucine; urine
  • Lysine; urine
  • Met Sulfoxide; urine
  • Methionine; urine
  • Ornithine; urine
  • Phenylalanine; urine
  • Phosphoethanolamine; urine
  • Phosphoserine; urine
  • Proline; urine
  • Sarcosine; urine
  • Serine; urine
  • Taurine; urine
  • Threonine; urine
  • Tryptophan; urine
  • Tyrosine; urine
  • Urea; urine
  • Valine; urine

Before You Start:

Please read all of the directions, and familiarize yourself with the collection procedures.

Urine Amino Acids are unstable at warm temperatures and must be kept cold at all times. The specimen must be frozen for a minimum of 4 hours prior to shipment and packaged with a freezer brick.

The test requires no special diet but if you are taking antibiotic medications, please finish the course of medication, and then wait 48 hours before starting this collection. Please refrain from taking non-essential medications or dietary supplements 48 hours prior to and during the specimen collection, unless otherwise instructed by your physician. Never discontinue prescription medications without first consulting your physician.

Female patients should not collect urine during a menstrual period.

More Instructions: