]> L-glutamic acid An optically active form of glutamic acid having <small>L</small>-configuration. neurotransmitter L-glutamate(1-) nutraceutical glutamic acid micronutrient ferroptosis inducer L-alpha-amino acid mouse metabolite Escherichia coli metabolite has role D-glutamic acid glutamine family amino acid proteinogenic amino acid is protonated form of is enantiomer of