L-Glutamine
Amino acid that supports gut lining integrity and immune function.
How it works
Mechanism of Action
L-Glutamine is the primary fuel source for enterocytes (intestinal cells) and helps maintain gut barrier integrity.
Evidence-based uses
What L-Glutamine Is Used For
Supports gut lining repair. Useful for leaky gut and post-antibiotic recovery.
Clinical Evidence
Multicentre RCT found 15g/day L-glutamine for 8 weeks significantly reduced intestinal permeability and IBS symptom severity compared to placebo.
Safety
Interactions & Warnings
Glutamine may counteract the effects of lactulose, which is used to treat hepatic encephalopathy by reducing ammonia levels. Glutamine can increase ammonia.
Glutamine is a precursor to glutamate, an excitatory neurotransmitter. It may theoretically lower the seizure threshold in susceptible individuals.
Compare prices
Buy L-Glutamine in Australia
6 products compared across Australian retailers. Sorted by price per serve.
| Product | Price | /serve | |
|---|---|---|---|
Best BulkSupplements BulkSupplements L-Glutamine Powder BulkSupplements | $24.90 | $0.12 | Buy |
NOW Foods NOW L-Glutamine 1000mg iHerb | $19.50 | $0.16 | Buy |
NOW Foods L-Glutamine Powder 1kg iHerb | $34.99 | $0.17 | Buy |
BulkSupplements L-Glutamine Powder 500g BulkSupplements | $24.99 | $0.25 | Buy |
Musashi L-Glutamine 300g Powder Chemist Warehouse | $29.99 | $0.50 | Buy |
Thorne Thorne L-Glutamine Powder Thorne | $52.00 | $0.58 | Buy |
Prices in AUD. Some links are affiliate links — we may earn a commission at no extra cost to you.
Should you take L-Glutamine?
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This information is for educational purposes only and is not intended as medical advice. Always consult a healthcare professional before starting any supplement. Evidence ratings are based on peer-reviewed clinical research. Individual results may vary.