Glutamate is an amino acid with very different functions.  In the pancreas, it modulates the activity of the pancreatic ß-cells responsible for insulin production, whereas in the brain it is the main excitatory neurotransmitter. In recent years, it has been suspected to play an additional role in the functioning of the brain. In the brain, glutamate is predominantly derived from glucose catabolism and subsequent TCA … Continue reading Study verifies long-standing hypothesis that glutamate is brain’s energy-source.