Healthy people do not need to take glutamic acid as a supplement; for those who do use this amino acid, appropriate amounts should be determined with the consultation of a physician.
Sources of glutamic acid include high-protein foods, such as meat, poultry, fish, eggs, and dairy products. Some protein-rich plant foods also supply glutamic acid.
Most food sources of protein supply glutamic acid, so only a person deficient in protein would become deficient in glutamic acid.1
Glutamic acid is generally free of side effects for the vast majority of people who take it; however, people with kidney or liver disease should not consume high intakes of amino acids without consulting a healthcare professional. Because over stimulation of glutamate receptors is thought to be a possible cause of certain neurological diseases (e.g., amyotrophic lateral sclerosis [Lou Gehrig’s disease] and epilepsy), people with a neurological disease should consult of physician before supplementing with glutamate.
Last Review: 05-01-2013
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