Performance
L-Glutamine
Also known as: L-Glutamine, Glutamine peptides
B
Evidence
Conditionally essential amino acid. Supports gut health and immune function, less for muscle.
Primary uses
- Gut health
- Immune support
- Recovery
How it works
- Most abundant amino acid
- Fuel for gut cells and immune cells
- Depleted by stress and exercise
Dosage
- Typical range
- 5-10g daily
- Timing
- Post-workout or before bed
- With food
- Either
- Duration
- During heavy training or gut issues
- Special populations
- Gut issues, heavy training, immune stress
Forms
- Powder
- Capsule
Safety
Common side effects
- Generally well tolerated
Contraindications
- Liver disease (caution)
- Kidney disease (caution)
Evidence notes
Good for gut/immune, less for muscle (unless deficient)
Grade B: Some human trials support key claims; further confirmation needed.
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