Explore our database of over 10000 laboratory markers.

Search and Understand 10000 Biomarkers

Amino Acids; Urine 24-hour (Doctor's Data), Doctor's Data

Optimal range:   0 - 10 qmol/24 hours

Sarcosine is an amino acid made within the methylation cycle when S-adenosylmethionine (SAM) is conjugated with glycine. It can also be made by catabolism of dimethylglycine (DMG).

There are many dietary sources of sarcosine including eggs, legumes, nuts, and meats.

Sarcosine is also available as an over-the-counter supplement, and it is widely used in cosmetic formulations (toothpaste, creams, and soaps) and detergents. In the methylation cycle, sarcosine is created by the GNMT enzyme, which functions to control SAM excess.

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NutriStat Basic Profile, US BioTek

Optimal range:   3.9 - 9.7 umol/L

Sarcosine is an amino acid made within the methylation cycle when S-adenosylmethionine (SAM) is conjugated with glycine.

It can also be made by catabolism of dimethylglycine (DMG).

There are many dietary sources of sarcosine including eggs, legumes, nuts, and meats.

Sarcosine is also available as an over-the-counter supplement, and it is widely used in cosmetic formulations (toothpaste, creams, and soaps) and detergents.

In the methylation cycle, sarcosine is created by the GNMT enzyme, which functions to control SAM excess. Some clinicians use sarcosine elevation as a marker of ‘excess methyl supplementation’ or ‘over-methylation.’ Currently, there is no literature to support this hypothesis, but rather it is based on physiology.

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Amino Acid Profile, Qn (Urine), Labcorp: What It Is, What It Tests, and How to Get Your Lab Results

Optimal range:   0.5 - 27.3 umol/g Cr

Sarcosine is an amino acid made within the methylation cycle when S-adenosylmethionine (SAM) is conjugated with glycine. It can also be made by catabolism of dimethylglycine (DMG).

There are many dietary sources of sarcosine including eggs, legumes, nuts, and meats.

Sarcosine is also available as an over-the-counter supplement, and it is widely used in cosmetic formulations (toothpaste, creams, and soaps) and detergents. In the methylation cycle, sarcosine is created by the GNMT enzyme, which functions to control SAM excess.

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Amino Acid Analysis, Quest Diagnostics

Optimal range:   0 - 4 umol/L

Sarcosine is an amino acid made within the methylation cycle when S-adenosylmethionine (SAM) is conjugated with glycine. It can also be made by catabolism of dimethylglycine (DMG).

There are many dietary sources of sarcosine including eggs, legumes, nuts, and meats.

Sarcosine is also available as an over-the-counter supplement, and it is widely used in cosmetic formulations (toothpaste, creams, and soaps) and detergents. In the methylation cycle, sarcosine is created by the GNMT enzyme, which functions to control SAM excess.

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3102 ION (Blood/Urine) Amino Acids 40, Genova Diagnostics

Optimal range:   0 - 0.15 qmol/dL

Sarcosine is an amino acid made within the methylation cycle when S-adenosylmethionine (SAM) is conjugated with glycine.

It can also be made by catabolism of dimethylglycine (DMG).

There are many dietary sources of sarcosine including eggs, legumes, nuts, and meats.

Sarcosine is also available as an over-the-counter supplement, and it is widely used in cosmetic formulations (toothpaste, creams, and soaps) and detergents.

In the methylation cycle, sarcosine is created by the GNMT enzyme, which functions to control SAM excess. Some clinicians use sarcosine elevation as a marker of ‘excess methyl supplementation’ or ‘over-methylation.’ Currently, there is no literature to support this hypothesis, but rather it is based on physiology.

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Amino Acids 40 Profile, Genova Diagnostics

Optimal range:   0 - 10.4 µmol/L , 0 - 1.04 µmol/dL

Sarcosine is also known as N-methylglycine. It is an intermediate and byproduct in the glycine synthesis and degradation. Sarcosine is metabolized to glycine by the enzyme sarcosine dehydrogenase, while glycine-N-methyl transferase generates sarcosine from glycine.

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OMX Organic Metabolomics / Diagnostic Solutions, Diagnostic Solutions Laboratory | GI-MAP & Food Sensitivity Tests

Optimal range:   0 - 10.4 nmol/ML

Sarcosine is also known as N-methylglycine. It is an intermediate and byproduct in the glycine synthesis and degradation. Sarcosine is metabolized to glycine by the enzyme sarcosine dehydrogenase, while glycine-N-methyl transferase generates sarcosine from glycine.

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Amino Acids Analysis, Genova Diagnostics

Optimal range:   0 - 1.1 micromol/g creatinine

Sarcosine is also known as N-methylglycine. It is an intermediate and byproduct in the glycine synthesis and degradation. Sarcosine is metabolized to glycine by the enzyme sarcosine dehydrogenase, while glycine-N-methyl transferase generates sarcosine from glycine.

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Sardine

Bloodspot

1019 IgG Food Antibodies - Bloodspot, Genova Diagnostics

Reference range:   None Detected, Very Low, Low, Moderate, High

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Immune System

Reference range:   Negative, Positive

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Immune System

Reference range:   Negative, Positive

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Immune System

Reference range:   Positive, Negative

SARS-CoV-2 nucleocapsid antibodies (N antibodies) indicate whether your immune system has responded to a natural COVID-19 infection. Unlike spike protein antibodies, which can be produced by vaccination, nucleocapsid antibodies are typically only present after exposure to the virus itself. This makes the test useful for identifying prior infection, even in people who had mild or no symptoms.

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Corona Virus COVID-19

Optimal range:   0 - 0.99 index

The SARS-CoV-2 IgG assay is intended for qualitative and semi-quantitative detection of IgG antibodies to the S1 receptor binding domain (RBD) of the SARS-CoV-2 spike protein. The measurement of IgG levels can provide insight to an individual's adaptive immune response to a SARS-CoV-2 infection or vaccination. Although the assay is designed to assess the level of an individual's immune response, studies are still needed to determine the index level threshold that confers protective immunity as well as how long the adaptive immune response may last post-infection or via vaccination.

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Immune System

Optimal range:   0 - 13 AU/mL

The SARS-CoV-2 Semi-Quantitative IgG Antibody test is a blood test that measures the level of IgG antibodies your body has produced in response to the SARS-CoV-2 virus, the virus responsible for COVID-19. Unlike a qualitative test that gives a simple “positive” or “negative” result, this semi-quantitative test estimates the amount of antibody present and provides a numerical value — giving more detailed insight into your immune system’s response.

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Corona Virus COVID-19

Optimal range:   0 - 0.8 ug/ml

Qualitative and semi-quantitative detection of antibodies to SARS-CoV-2 spike protein receptor binding domain (RBD). Aid in identifying individuals with an adaptive immune response to SARS-CoV-2, indicating recent or prior infection. to SARS-CoV-2 spike protein receptor binding domain (RBD). Aid in identifying individuals with an adaptive immune response to SARS-CoV-2, indicating recent or prior infection.

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Immune System

Optimal range:   0.8 - 25000 U/mL

The SARS-CoV-2 Spike Antibody Dilution test measures the concentration of IgG antibodies against the virus’s spike protein, providing a more precise view of your immune response than a simple positive/negative result. These antibodies usually appear after vaccination or past COVID-19 infection, and dilution testing is used when levels are too high for standard tests to measure accurately. A higher result generally reflects a stronger antibody presence, which may support faster immune recognition and a lower risk of severe illness, though protection varies by individual and variant. This test cannot tell you when exposure occurred, how long immunity will last, or whether you currently have COVID-19. Instead, it confirms immune recognition and offers valuable insight into your body’s response, while reminding that antibody levels are just one piece of your overall defense system.

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Immune System

Reference range:   Negative, Positive

The SARS-CoV-2 Spike Ab Interp refers to the interpretation of antibodies directed against the spike (S) protein of the virus that causes COVID-19. This marker is typically included in antibody panels to evaluate your immune response following infection with SARS-CoV-2 or after vaccination with COVID-19 vaccines that target the spike protein (such as Pfizer-BioNTech, Moderna, or Novavax).

This test does not measure the antibody level itself, but instead provides an interpretation (positive, negative, equivocal) based on whether spike-specific antibodies are detected in your blood.

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Serum Antibody Testing for Mycotoxins, MyMycoLab

Optimal range:   0 - 0.15 Units

These water-soluble mycotoxins could produce airborne particles which could facilitate entry and release into respiratory airway tissue that may selectively induce apoptosis in olfactory sensory neurons in the nose (rhinitis) and brain(mild focal encephalitis).

Although epidemiological studies that specifically examine exposure to mycotoxins in indoor residential environments are relatively limited, there is substantial evidence of a relationship between mycotoxin exposure (via ingestion and inhalation) and adverse health effects in occupational (agricultural and food processing) settings and animal studies.

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