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Glutamine is the most common amino acid in the human body. As such, it should come at no surprise that it is necessary for multipe physiological purposes. Supplimenting with glutamine helps make certain that you have plenty of this valuable amino acid present so your body doesn’t have to unpack it from storage, breaking down your muscle mass.

Glutamine converts to the amino acid called glutamic acid.

Basic information

  • Glutamine is available from natural sources as well as from synthetic sources.
  • The usual dosage for sportsmen is 5-10 g taken 30 minutes before and after training.

Natural sources: raw parsley, spitach


  • Functions as building block of all proteins
  • Aids digestive tract
  • Important for muscle growth and maintenance
  • Decreasing muscle wasting
  • Enhances digestive-system function in trauma patients and cancer patients on chemotheropy

Possible additional benefits

  • May treat intestinal disorders
  • May enhance brain function and mental activity by boosting GABA (gamma-aminobutyric acid) levels

Who else may benefit from additional amounts

  • Those with inadequate protein dietary intake
  • People who experience muscle wasting due to disease or lengthy bed rest
  • Trauma patients or patients on high-dose chemotherapy

Deficiency symptoms

Single amino-acid deficiencies are unknown except of people on crash diets consisting of only a few foods. Amino-acid deficiencies appear more commonly as a result of total protein deficiency.

What this amino acid does

  • Converts into glutamic acid which is critical for cerebral function
  • Participates in regulation the proper acid/alkaline balance
  • Participates in the synthesis of RNA and DNA

Miscellaneous information

  • Muscles contain large amount of glutamine.
  • Glutamine is considered a non-essential amino acid; however, recent findings indicate that in high-stress situations, such as trauma, it may be essential.

Don’t take it if you have

  • Kidney problems
  • Cirrhosis of the liver
  • Consult your doctor if you are undergoing chemotherapy


Don’t take amino-acid supplements.


Don’t take amino-acid supplements.

Signs and symptoms of overdose/toxicity

  • May decrease production of growth hormon
  • May cause the upset of acid-base balance of the stomach
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About the Author

Posted by

Olga Salimova is a personal trainer with figuring competition experience and a soul founder of Wild West Fit Tours. She enjoys sport, art, poetry, cooking.

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