gamma-aminobutyric acid
noun
gam·ma-ami·no·bu·tyr·ic acid
ˌga-mə-ə-ˌmē-(ˌ)nō-byü-ˈtir-ik- 
ˌga-mə-ˌa-mə-(ˌ)nō-
: an amino acid C4H9NO2 that is a neurotransmitter which induces inhibition of postsynaptic neurons
Examples of gamma-aminobutyric acid in a Sentence
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Zolpidem instead interacts with the gamma-aminobutyric acid (GABA) neurotransmitter, which lemborexant doesn't impact.
—
Bronwyn Thompson, New Atlas, 1 June 2025
Although the exact link between B6 and anxiety is unclear, research suggests that vitamin B6 relieves anxiety and fear by regulating the production of serotonin and gamma-aminobutyric acid (GABA).
—Emmanuella Ogbonna, Health, 19 May 2025
More recently, however, a 2021 study showed a measurable change in the brain caused by chronic pain; more specifically, in the decrease of a neurotransmitter called gamma-aminobutyric acid (GABA) in the prefrontal cortex.
—Abhimanyu Ghoshal, New Atlas, 6 May 2025
Research suggests that ashwagandha may enhance sleep by reducing stress and promoting the production of gamma-aminobutyric acid (GABA), a neurotransmitter (chemical messenger) that plays a role in relaxation.
—Lindsay Curtis, Verywell Health, 28 Apr. 2025
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Bronwyn Thompson, New Atlas, 1 June 2025
Although the exact link between B6 and anxiety is unclear, research suggests that vitamin B6 relieves anxiety and fear by regulating the production of serotonin and gamma-aminobutyric acid (GABA).
—Emmanuella Ogbonna, Health, 19 May 2025
More recently, however, a 2021 study showed a measurable change in the brain caused by chronic pain; more specifically, in the decrease of a neurotransmitter called gamma-aminobutyric acid (GABA) in the prefrontal cortex.
—Abhimanyu Ghoshal, New Atlas, 6 May 2025
Research suggests that ashwagandha may enhance sleep by reducing stress and promoting the production of gamma-aminobutyric acid (GABA), a neurotransmitter (chemical messenger) that plays a role in relaxation.
—Lindsay Curtis, Verywell Health, 28 Apr. 2025
See All Example Sentences for gamma-aminobutyric acid
Cite this Entry
“Gamma-aminobutyric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gamma-aminobutyric%20acid. Accessed 12 Jun. 2025.
Copy CitationMedical Definition
gamma-aminobutyric acid
noun
gam·ma-ami·no·bu·tyr·ic acid
variants
also γ-aminobutyric acid
: an amino acid C4H9NO2 that is a neurotransmitter that induces inhibition of postsynaptic neurons
called also GABA
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