L-Glutamine (Gut/Detox)
Amino Acid
Also known as: L-glutamine, Glutamine
A
Grade A💊 5-20g daily for gut healing, 2-5g for maintenance🎯 4 primary uses🔗 4 synergies⚠️ Review warnings
Overview
Conditionally essential amino acid that fuels enterocytes, supports gut barrier, and aids detox pathways.
Primary Uses
Gut barrier repairEnterocyte fuelDetox supportImmune function
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
Mechanism of Action
- • Primary fuel for intestinal cells
- • Supports tight junction integrity
- • Precursor for glutathione
- • Supports immune cells
Evidence Quality
Evidence Grade A
Strong evidence for gut barrier and critical illness
Safety & Contraindications
Serious Warnings
- • Liver disease - may worsen encephalopathy
- • Mania in bipolar (theoretical)
Contraindications
- • Hepatic encephalopathy
- • Severe liver disease
Common Side Effects
- • Rare at typical doses
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Avoid with severe liver disease
Interactions
💊 Medications
- • Lactulose for encephalopathy (may counteract)
- • Chemotherapy (discuss with oncologist)
🧪 Supplements
- • Synergistic with zinc, probiotics for gut
🍽️ Food & Alcohol
- • Either way
Stacking & Synergies
Pairs Well With
ZincProbioticsSlippery elmAloe vera
Avoid Combining With
Lactulose in liver disease
Best Goal Synergies
Gut healingBarrier repairAthletes
Buying Guide
What to Look For
- • Pure L-glutamine
- • Pharmaceutical grade
- • Third-party tested
Standardization Markers
L-glutamine contentPurity
Adulteration risk
Low
Practical Notes
- • Powder form for therapeutic doses
- • Primary fuel for gut cells
- • High doses for healing, lower for maintenance
Tags
amino-acidgutbarrierfuel
Frequently Asked About L-Glutamine (Gut/Detox)
How much L-Glutamine (Gut/Detox) should I take?
The typical effective range is 5-20g daily for gut healing, 2-5g for 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/Detox)?
Away from 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/Detox) with food?
Either way, often away from meals.
Does L-Glutamine (Gut/Detox) interact with medications?
Yes — known interactions include Lactulose for encephalopathy (may counteract) and Chemotherapy (discuss with oncologist). If you take any prescription medication, talk to your doctor or pharmacist before starting L-Glutamine (Gut/Detox).
What does L-Glutamine (Gut/Detox) pair well with?
L-Glutamine (Gut/Detox) stacks well with Zinc, Probiotics, and Slippery elm — these combinations either improve absorption or work synergistically toward common goals.
Who should not take L-Glutamine (Gut/Detox)?
L-Glutamine (Gut/Detox) 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/Detox)?
Most people tolerate L-Glutamine (Gut/Detox) well. The most commonly reported side effects are Rare at typical 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.