L-Glutamine (Gut Repair)
Amino Acid
Also known as: Glutamine, L-glutamine
A
Grade A💊 5-20g daily for gut healing, 2-5g maintenance🎯 4 primary uses🔗 4 synergies⚠️ Review warnings
Overview
Primary fuel for intestinal cells, essential for gut barrier repair and reducing intestinal permeability.
Primary Uses
Gut barrier repairLeaky gutIBD supportEnterocyte fuel
Dosage
Typical range
5-20g daily for gut healing, 2-5g maintenance
Timing
Away from protein meals or divided throughout day
With food
Either way
Duration
High dose 2-3 months for healing, then maintenance
Special Populations
Leaky gut, IBD, post-antibiotic, athletes
Mechanism of Action
- • Primary fuel for enterocytes
- • Supports tight junction integrity
- • Reduces intestinal permeability
- • Aids mucosal healing
Evidence Quality
Evidence Grade A
Strong evidence for gut barrier support
Safety & Contraindications
Serious Warnings
- • Liver disease - may worsen encephalopathy
Contraindications
- • Hepatic encephalopathy
- • Severe liver disease
Common Side Effects
- • Rare at normal doses
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Avoid with liver failure
Interactions
💊 Medications
- • Lactulose (may counteract)
- • Chemotherapy (discuss)
🧪 Supplements
- • Synergistic with zinc, probiotics, collagen
🍽️ Food & Alcohol
- • Either way
Stacking & Synergies
Pairs Well With
ZincProbioticsCollagenAloe vera
Avoid Combining With
Hepatic encephalopathy treatment
Best Goal Synergies
Gut healingBarrier repairIBD support
Buying Guide
What to Look For
- • Pure L-glutamine powder
- • Third-party tested
Standardization Markers
Pure L-glutaminePharmaceutical grade
Adulteration risk
Low
Practical Notes
- • Powder for therapeutic doses
- • Primary gut fuel
- • High dose short-term, lower long-term
Tags
amino-acidgutbarrierfuel
Frequently Asked About L-Glutamine (Gut Repair)
How much L-Glutamine (Gut Repair) should I take?
The typical effective range is 5-20g daily for gut healing, 2-5g maintenance. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take L-Glutamine (Gut Repair)?
Away from protein meals or divided throughout day. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take L-Glutamine (Gut Repair) with food?
Either way.
Does L-Glutamine (Gut Repair) interact with medications?
Yes — known interactions include Lactulose (may counteract) and Chemotherapy (discuss). If you take any prescription medication, talk to your doctor or pharmacist before starting L-Glutamine (Gut Repair).
What does L-Glutamine (Gut Repair) pair well with?
L-Glutamine (Gut Repair) stacks well with Zinc, Probiotics, and Collagen — these combinations either improve absorption or work synergistically toward common goals.
Who should not take L-Glutamine (Gut Repair)?
L-Glutamine (Gut Repair) should be avoided or used with caution by people with Hepatic encephalopathy and Severe liver disease. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of L-Glutamine (Gut Repair)?
Most people tolerate L-Glutamine (Gut Repair) well. The most commonly reported side effects are Rare at normal doses. Side effects are usually dose-dependent — lowering the dose often resolves them.
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.