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Recovery & tissue repair

L-Glutamine

Also known as: Glutamine

A conditionally essential amino acid taken orally and studied for gut and recovery support.

L-Glutamine at a glance

NameL-Glutamine
Also known asGlutamine
CategoryRecovery & tissue repair
TypeAmino / injectable
SequenceAmino acid.
Typical doseCommonly ~5 g per serving as a supplement
FrequencyOnce or several times daily depending on goals
RouteOral
Half-lifeShort; turned over rapidly in the body.

Overview

L-Glutamine is the most abundant free amino acid in the body and a fuel source for intestinal and immune cells. As a supplement it is studied in the context of gut lining support and recovery during periods of stress, though results in healthy people are mixed.

How it’s thought to work

  • Serves as a primary fuel for intestinal and immune cells.
  • Acts as a nitrogen donor in various metabolic pathways.
  • May support maintenance of the intestinal barrier under stress.

Researched uses

  • Gut lining support during illness or stress
  • Recovery support in athletic and clinical settings
  • Nitrogen source in metabolically demanding states

Commonly cited protocol

Typical doseCommonly ~5 g per serving as a supplement
FrequencyOnce or several times daily depending on goals
RouteOral
NotesTaken as a powder or capsule; body normally produces its own.

Reconstitution

Not applicable - this is an oral supplement, so injection unit math does not apply.

Cautions

  • A dietary supplement, not a medical treatment.
  • High doses may cause digestive upset in some people.
  • Those with liver or kidney conditions should seek guidance before use.

L-Glutamine FAQ

What is L-Glutamine?

A conditionally essential amino acid taken orally and studied for gut and recovery support.

How does L-Glutamine work?

Serves as a primary fuel for intestinal and immune cells. Acts as a nitrogen donor in various metabolic pathways. May support maintenance of the intestinal barrier under stress.

What is L-Glutamine used for?

Gut lining support during illness or stress; Recovery support in athletic and clinical settings; Nitrogen source in metabolically demanding states.

What is a typical L-Glutamine dose?

Commonly ~5 g per serving as a supplement, Once or several times daily depending on goals, Oral. This is a commonly cited figure for context only, not medical advice.

How do you reconstitute L-Glutamine?

Not applicable - this is an oral supplement, so injection unit math does not apply.

What is the half-life of L-Glutamine?

Short; turned over rapidly in the body.

Related recovery & tissue repair peptides

⚠️ Educational reference only — not medical advice. These compounds are largely research chemicals not approved for human use in most countries. Nothing here is a recommendation to obtain or administer any substance. Consult a qualified clinician.