Amino Acid
L-Glutamine (Gut/Detox)
Also known as: L-glutamine, Glutamine
Conditionally essential amino acid that fuels enterocytes, supports gut barrier, and aids detox pathways.
Daily target & upper limit
5 g / dayL-Glutamine (Gut/Detox) has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:
L-Glutamine (Gut/Detox) dosage reference →Primary uses
- Gut barrier repair
- Enterocyte fuel
- Detox support
- Immune function
How it works
- Primary fuel for intestinal cells
- Supports tight junction integrity
- Precursor for glutathione
- Supports immune cells
Dosage
- Typical range
- 5-20g daily for gut healing, 2-5g for maintenance
- Timing
- Away from meals or divided throughout day
- With food
- Either way, often away from meals
- Duration
- Short-term high dose for healing, lower for maintenance
- Special populations
- Leaky gut, IBD, athletes, post-surgery
Forms
- Powder
- Capsules
Safety
Common side effects
- Rare at typical doses
Contraindications
- Hepatic encephalopathy
- Severe liver disease
Products containing L-Glutamine (Gut/Detox)
Top-scoring supplements in our catalog that list L-Glutamine (Gut/Detox) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Strong evidence for gut barrier and critical illness
Grade A: Multiple well-designed human trials support the main claims.
Cited research for L-Glutamine (Gut/Detox)
Clinical studies referenced across Formulate guides that mention l-glutamine (gut/detox). Each links to the full study page with PubMed source + the guides that cite it.
Related in Amino Acid
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Open the checkerMedical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.