L-Glutamine: Facts and Health Benefits of L-Glutamine

Knoji reviews products and up-and-coming brands we think you'll love. In certain cases, we may receive a commission from brands mentioned in our guides. Learn more.
Facts and Health Benefits of L-Glutamine. What is Glutamine? Food sources of Glutamine.

First of all you must know- Glutamine and L-Glutamine, both are same and there’s no basic difference between them.

What is L-Glutamine or Glutamine?

Glutamine or L-Glutamine is a crystalline amino acid occurs in protein and plays an important role in protein metabolism. Glutamine synthesises from Glutamate- another amino acid. Glutamine is the most abundant amino acid in the body very important for gastrointestinal tract and immune system. It is also very good to prevent infections. Glutamine is a source of fuel for muscle and immune cells. But its major role is to serve as a source of fuel for the cells that line the gastrointestinal tract or GI tract. Also, it protects the body from ammonia toxicity and thus maintains proper acid balance in the body.. Glutamine is a precursor of glutathione (GSH). Glutathione is an antioxidant prevents damage to important cellular components, which is caused by free radicals.

Image Source

Deficiency Symptoms of L-Glutamine / Glutamine

The person who lacks the Glutamine in the body can feel severe physical trauma due to infection or extensive burns. When the Glutamine level is low it can cause severe diarrhea. Any person who lacks the Glutamine often exhibits a weakened immune system. Some other Glutamine deficiency symptoms are brain malformations, multi-organ failure, reduced muscle tone and skin disorder. Glutamine deficiency is very rare as it can be manufactured by the body.

Five Major Health Benefits of Glutamine / L-Glutamine

1. It plays an important role in maintaining a healthy digestive tract.

2. Glutamine prevents muscle loss which is associated with the diseases such as Cancer and AIDS.

3. It is good for the brain and brain cells. It promotes the mental health and improves memory and moods.

4. Glutamine fights infections.

5. Glutamine helps to protect form Inflammatory Bowel Disease (IBD) such as ulcerative colitis and Crohn’s disease.

It is said that Glutamine also helps to fatigue, depression and impotence. It controls alcoholism as well.

Food Sources of Glutamine












Yogurt and other dairy products.

Glutamine is manufactured inside the body by converting Glutamic Acid (a non-essential amino acid) into Glutamine. But for this conversion, Niacin or Vitamin B3 is required. Sometimes Vitamin B6 is also needed for this conversion. Therefore, Vitamin B3 and Vitamin B6 play an important role when it comes to glutamine sufficiency in the body.


Ron Siojo
Posted on Nov 3, 2010
James R. Coffey
Posted on Nov 2, 2010
Phoenix Montoya
Posted on Nov 2, 2010
Posted on Nov 2, 2010