This amino acid is very important for effective muscle growth. It is one of the twenty amino acids that make up the protein.

Glutamine as an accelerator of metabolic processes
Glutamine is a common amino acid in the body and is found in 60 percent of human muscles. This amino acid is able to accelerate metabolic processes in the muscles, and, on the contrary, slow down catabolic processes. Therefore, glutamine is recommended for use in sports nutrition, especially for bodybuilding and powerlifting.
Where is the most glutamine found?
There is a lot of this amino acid in beef, milk, yogurt, cottage cheese, chicken and other dairy products. There is a lot of glutamine in plant foods: cabbage, beets, beans, soybeans, spinach and parsley.

On a note:
Glutamine as a drug
It turns out that glutamine is used not only as a sports nutrition. Its beneficial properties are indispensable for chronic fatigue syndrome, depression, anxiety, duodenal ulcer, colitis and diarrhea. In addition, glutamine is recommended for alcoholism, impotence, autoimmune conditions, obesity, immunodeficiencies, cataracts and many other diseases.
Benefits of Glutamine for the Immune System
The amino acid glutamine is essential for our body. If during calm periods of life the need of the human body for this amino acid is high, then with various diseases or stresses, as well as with hard physical work, the need for glutamine increases several times.

The combination of glutamine with other sports nutrition
Many athletes know that glutamine works great with three amino acids known as BCAAs. In addition, glutamine is recommended to be combined with protein and creatine.

The benefits of a glutamine diet cannot be underestimated. An organism that has received the necessary dose of this amino acid will always be on top.