It is converted to glutamic acid in the brain, which is essential for cerebral functions,
and increases the amount of GABA (gamma-aminobutyric acid), which is required for
brain functioning and mental activity. It is used in the muscles for the synthesis
of muscle proteins, and is of use for the treatment of wasting muscles after illness
or post-operative care. Although the body requires nitrogen, free nitrogen in the
body can be harmful since it forms ammonia – especially toxic to the brain. The liver
normally converts ammonia to urea, excreted in the urine – but glutamic acid attaches
itself to nitrogen and forms glutamic acid, while removing ammonia from the brain.
further is used in the body to balance the acid/alkaline level and is also the basis
or building blocks of RNA and DNA.
It serves as a source of fuel for cells lining
the intestines and it is also used by white blood cells and is important for immune
Deficiency of this nutrient is rare, since it can be manufactured by the body but
deficiencies can develop during periods of fasting, starvation, strict dieting, cirrhosis,
and weight loss associated with AIDS and cancer.
No clear toxicity has emerged in glutamine studies, but it should not be taken by
people suffering from liver or kidney problems.
People suffering from arthritis, fibrosis,
connective tissue disease, peptic ulcers, ulcerative colitis, as well as epilepsy,
fatigue, impotence and senility may find benefit from an increase of this nutrient,
as well as people busy with alcohol abuse withdrawal and patients living with HIV.
animal research, glutamine has anti-inflammatory effects. Glutamine also decreases
the craving for sweets and sugar, which is beneficial to people wishing to lose weight.
is found in many high protein foods, such as fish, meat, beans, and dairy as well
as in vegetables such as raw parsley and spinach.