Glutamic Acid

An amino acid central to neurotransmission and metabolism.

Last reviewedJune 16, 2026

Plasma

sample type

~5 mL

blood needed

~7 days

results in app

Morning, fasting

best timing

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On this page

Why test Reference ranges What you'll learn What affects it How testing works Sources FAQ

In short

Glutamic acid, also called glutamate, is a non-essential amino acid. It is a central hub of amino acid metabolism, helping move nitrogen between molecules, and it is the main excitatory signal in the nervous system. It is also a building block of the antioxidant glutathione.

Comprehensive Health Check

Reviewed against DGKL reference practice.

Why test this?

It is measured as part of a plasma amino acid profile. Levels reflect protein and nitrogen metabolism. Blood levels can be affected by how quickly the sample is processed, so the result is read for context within the wider panel.

What is a normal result?

Aniva reads your result against research-backed ranges, not just the lab's wide normal. The reference shown below is specific to this biomarker.

Adult reference values as used by Aniva. Ranges are guidance and can vary by laboratory and method.

Group	Normal range
Adults	13 to 113 µmol/L

Sources: Mayo Clinic Laboratories: Amino Acids, Quantitative, Plasma (AAQP)

Your Aniva report reads your result against these values together with your age, sex and the rest of your panel.

Ranges are guidance and vary by lab and assay, aligned with DGKL practice. Always read your result against your own lab's reference interval.

What insights will this test give you?

Context on protein and nitrogen metabolism.
A link to glutathione and antioxidant pathways.
Help interpreting the rest of your amino acid profile.

What can affect this result?

What can skew the result

Recent protein intake, fasting state, time of day, and delays in processing the sample affect the result. A fasting morning sample gives the most reliable reading.

Best interpreted with

Read as part of the full plasma amino acid profile.

How is this tested?

Sample

Plasma

Blood needed

~5 mL

Method

Ion-exchange chromatography or LC-MS/MS

Best timing

Morning, fasting

Sources. The evidence behind this

Mayo Clinic Laboratories: Amino Acids, Quantitative, Plasma
MedlinePlus: Plasma amino acids

Common questions

Which Aniva panels include this marker?

Amino Acids

These tests assess essential, non-essential, and branched-chain amino acids, plus related metabolites and functional ratios.