gamma-aminobutyric acid, gaba molecule. it is a naturally occurring neurotransmitter with central nervous system inhibitory

acid amino aminoacid aminobutyric atom atomic cage carbon catecholamine chemical chemistry compound dietary education element flat formula gaba gamma hydrogen icon illustration isolated metabolism model molecular molecule nervous neuro neuron neurotransmitter nhibitory nitrogen notebook organic oxygen physiology science sheet structure study supplement synapse synaptic system transmitter vector