Medically reviewed by Jonathan Purtell, RDN Increasing gamma-aminobutyric acid (GABA) and balancing glutamate, brain chemicals called neurotransmitters, may help alleviate symptoms of ...

The NMDA receptor is a tetrameric complex formed by NR1 and NR2 subunits (only two subunits are shown) that bind glycine and glutamate, respectively 8. (b) The GABA B receptor heteromeric receptor ...