Indicator Explainer
Glutamic Acid
A non-essential alpha-amino acid and excitatory neurotransmitter. Glutamic acid can serve as a precursor for the synthesis of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA).
This page explains what the indicator is and how results are interpreted in general terms. Reference ranges depend on the laboratory, the method, and your own situation — no single “normal value” applies to everyone. This page is health information, not a diagnosis. For symptoms, treatment, or urgent concerns, contact a healthcare professional.
When it is tested
Source: National Cancer Institute, NCI Thesaurus 26.09d, C1115. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.
Reading results
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
Also Known As
Related Tests
Tests that measure or involve this indicator.
References
- NCI Thesaurus 26.09d — Glutamic Acid (C1115)
- Source: National Cancer Institute, NCI Thesaurus 26.09d, C1115. NCI definition, reproduced without modification under CC BY 4.0.
- Biomimetic Design of Glutamic Acid-Functionalized Polyacrylonitrile Fiber: Advanced Phosphate Capture via Intermolecular Weak Interactions. — Environ Res, 2026-10-13 (PMID 42869358; literature)
- L-Glutamic acid production by lactic acid bacteria from Brazilian fermented foods: screening, optimization, and probiotic-related properties of Limosilactobacillus fermentum CCMA 0205. — Int Microbiol, 2026-10-06 (PMID 42837033; literature)