What is L-Glutamine?

L-glutamine is the most abundant non-essential amino acid in the bloodstream that makes up 30–35 percent of the amino acid nitrogen in your blood. 60 percent of glutamine is found in our skeletal muscle, with the rest being in the lung, liver, brain, and gastrointestinal tissue.  It is considered the most important amino acid for healing digestive issues and leaky gut, with studies showing that it protects against mucosal breakdown.

While L-glutamine is synthesized by the body from glutamic acid or glutamate, sometimes the body is unable to produce enough. And when this is the case, your body needs to get it directly from your diet.
Despite being known as a non-essential amino acid, L-Glutamine is a conditionally essential amino acid because your body uses it in large amounts, especially in times of stress; from chemical stressors, emotional stress, or physical stresses like lifting weights, running or any other form of working out.

Researchers are finding that L-Glutamine plays a critical role in healthy digestion and brain function. 

As it provides energy to the brain, it also has mood elevation effects and is a mild nootropic; meaning it improves mental performance and can help with memory. 

Majority of people don’t get enough L-glutamine from their food alone, or if they do, the modern/western lifestyle depletes it really quickly. That’s why supplementing with it is an excellent way to boost your immune system and improve your ability to fight infection and diseases, as well as get all the previously listed benefits.

Top Sources:


L-Glutamine supplements, protein powders, bone broth, grass-fed beef, fish, venison, turkey, cottage cheese, beans, spirulina, asparagus, cabbage, spinach, and broccoli.

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1. Improves gastrointestinal health

2. Helps leaky gut and ulcers

3. Boosts brain health

4. Improves IBS and diarrhea

5. Promotes muscle growth and decreases muscle wasting

6. Improves athletic performance and recovery from endurance exercise

7. Burns fat and improves diabetes

L- Glutamine is Included In: