Description General description Glutamic acid is an amino acid with an acidic side group. It works as a proton donor. Decarboxylation of glutamic acid results in the formation of GABA (γ aminobutyric acid), a potent neurotransmitter. Isotope labeled amino acids are required for the production of isotopically labeled proteins. Packaging 1 g in glass bottle 250 mg in glass bottle This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.