All About Amino Acids

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Why glutamine is good for you

Glutamine is a non-essential amino acid and is found in large amounts in the muscles of the body. Since Glutamine passes easily through the blood-brain barrier, it is also known as an excellent brain fuel.

Glutamine is converted to glutamic acid in the brain, which is essential for proper brain function, and increases the amount of GABA (gamma-amino butyric acid), which is required for brain functioning and mental activity. Glutamine is a source of fuel for cells lining the intestines and it is also used by white blood cells, so is important for immune function.


Important glutamine facts


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Groups at risk of glutamine deficiency

Deficiency is rare, but can occur in the following individuals:

People in these groups at risk of glutamine deficiency should talk to a medical professional about glutamine supplementation BEFORE trying it.



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Symptoms of glutamine deficiency

No information given.


Glutamine and health

Talk to a medical professional about glutamine supplements BEFORE taking them


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Glutamine in food

Many plant and animal substances contain glutamine, but it is easily destroyed by cooking. If eaten raw, spinach and parsley are good sources. Other glutamine-rich sources are:


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Glutamine recommended daily intake (RDI)

RDA No information available
TOXIC LEVELS No information available


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Glutamine works best with


Overdosage, toxicity and cautions for glutamine

Glutamine should not be taken by the following groups:

For the above groups, taking supplemental glutamine may only cause further damage to the body.

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Last reviewed: 20 June 2019 || Last updated: 20 June 2019


NOTE: Mega doses of vitamins, minerals or other nutrients cannot cure illnesses and in fact can be very dangerous and produce toxic side effects and interfere with medicine you are taking. Always ensure you consult your doctor before taking any type of amino acid supplement.
Disclaimer: This guide is not intended to be used for diagnostic or prescriptive purposes. For any treatment or diagnosis of illness, please see your doctor.

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