Amino Acid
L-Glutamine
Also known as: Glutamine, Gln, L-Glutamine (Wound Healing)
B
Evidence
Most abundant amino acid in the body. Critical for gut lining integrity, immune function, and muscle recovery.
Primary uses
- Gut health
- Muscle recovery
- Immune support
- Leaky gut
- Tissue repair
- Gut healing
- Burns
How it works
- Primary fuel for intestinal cells
- Supports gut barrier integrity
- Immune cell fuel
- Muscle protein synthesis
Dosage
- Typical range
- 5-20 g daily in divided doses
- Timing
- Between meals or post-workout
- With food
- Between meals often better
- Duration
- Safe long-term
- Special populations
- Gut issues, athletes, critical illness
Forms
- Powder
- Capsules
Safety
Common side effects
- Well tolerated
Contraindications
- Severe liver disease
- Some cancers (consult oncologist)
Evidence notes
Important for gut and muscle
Grade B: Some human trials support key claims; further confirmation needed.
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Open the checkerMedical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.