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Health Canada NPN 80014988 750 mg pure L-glutamine per capsule Vegan · Non-GMO · Gluten-Free Made in Canada · GMP facility
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AOR L-Glutamine 750mg Capsules - Gut Wellness & Recovery | 120 Caps

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$34.29 CAD
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BrandAOR
Serving1 capsule (750 mg)
Licensed Natural Health ProductNPN 80014988
Quality StandardsGMP-compliant facility
CountryMade in Canada Made in Canada

About this item

  • PURE 750 MG L-GLUTAMINE PER CAPSULE: A single-ingredient amino-acid capsule - 750 mg of L-glutamine per capsule, 120 vegan capsules per bottle, with no non-medicinal ingredients.
  • DIGESTIVE & IMMUNE SUPPORT: L-glutamine helps support immune and digestive system health after periods of physical stress.
  • MUSCLE CELL REPAIR AFTER EXERCISE: Stored in muscle and released during times of trauma or illness, L-glutamine also helps assist in muscle cell repair after exercise.
  • CONVENIENT VEGAN CAPSULES: Easy-to-swallow vegan capsules (hypromellose shell) - no measuring, mixing or taste, so it is simple to fit into an active, on-the-go routine.
  • HYPOALLERGENIC, CLEAN FORMULA: Non-medicinal ingredients: none. Vegan, non-GMO and gluten-free with no undeclared ingredients.
  • UP TO A 15-DAY SUPPLY: 120 capsules per bottle - at the full adult dose of 8 capsules per day, one bottle lasts up to 15 days.
  • PREMIUM CANADIAN QUALITY: Made in Canada in a GMP-compliant facility by Advanced Orthomolecular Research (AOR), licensed under Health Canada NPN 80014988.
  • TRUSTED SINCE 1991: From AOR - three decades of science-based, evidence-informed formulations manufactured in Canada to high quality standards.

Product description

L-Glutamine Capsules - Convenient Capsule Support for Gut Wellness and Recovery

AOR L-Glutamine Capsules

Pure 750 mg L-glutamine in an easy-to-swallow vegan capsule. L-Glutamine helps support immune and digestive system health after periods of physical stress, and helps assist in muscle cell repair after exercise. Licensed Natural Health Product NPN 80014988.

L-Glutamine Capsules lifestyle
AOR L-Glutamine Capsules
750 mg per Capsule · 120 Capsules

L-Glutamine Capsules

Backed by science

L-glutamine is a conditionally essential amino acid studied for its role in gut lining integrity, immune-cell function and muscle recovery, especially after periods of physical stress.

The AOR difference

750 mg of pure L-glutamine per capsule in a convenient vegan capsule - no fillers, made in Canada to GMP standards.

What AOR L-Glutamine Capsules Support

L-Glutamine is a conditionally essential amino acid - here is what AOR L-Glutamine Capsules are formulated to support.

Digestive Comfort

Helps support digestive system health after periods of physical stress.

Immune Support

Helps support immune system health after periods of physical stress.

Muscle Recovery

Helps assist in muscle cell repair after exercise.

Convenient Capsule Form

750 mg per capsule in an easy-to-swallow vegan, hypoallergenic capsule - no measuring or mixing required.

AOR L-Glutamine Capsules: Supplement Facts

AOR™L-Glutamine Capsules
English

Supplement Facts

  • L-Glutamine per capsule750 mg

Non-Medicinal Ingredients: Non-medicinal ingredients: None. Capsule: hypromellose.

Recommended Use or Purpose: L-Glutamine helps support immune and digestive system health after periods of physical stress. It is stored in the muscle and released during times of trauma or illness, and also helps assist in muscle cell repair after exercise. This formula is hypoallergenic.

Recommended Dose (Adults 18 years and older): Take 8 capsules daily on an empty stomach, or as directed by a qualified health care practitioner. Do not mix, blend or crush capsules. Swallow capsules whole.

Cautions and Warnings: Consult a health care practitioner prior to use if you are following a low protein diet or if you are pregnant or breastfeeding. Store tightly sealed in a cool, dry place. Do not use if the safety seal is broken.

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.

Français

Fiche produit

  • L-Glutamine par capsule750 mg

Ingrédients non médicinaux : Ingrédients non médicinaux : Aucun. Capsule : hypromellose.

Usage recommandé : L-Glutamine favorise le maintien du système immunitaire et du système digestif suite à des périodes de stress physique. L-Glutamine est emmagasinée dans les muscles et libérée pendant les temps de blessure ou de trouble, et peut aussi aider à la réparation des cellules musculaires suite à une activité physique. Ce produit est hypoallergénique.

Posologie recommandée (adultes de 18 ans et plus) : Prendre 8 capsules par jour à jeun, ou selon les recommandations d'un professionnel de la santé. Ne pas mélanger, mélanger ou écraser les capsules. Avaler les gélules entières.

Mises en garde : Consulter un professionnel de la santé avant de prendre ce produit si vous suivez un régime alimentaire à faible teneur protéinique, si vous êtes enceinte ou si vous allaitez. Conserver hermétiquement fermé dans un endroit frais et sec. Ne pas utiliser si le sceau de sécurité est brisé.

NPN 80014988

Pure single amino acid750 mg per capsule · 120 capsulesVegan · Non-GMO · Gluten-freeMade in Canada

Support gut, immune health & recovery the easy way

Get AOR L-Glutamine Capsules on Amazon.ca - fast, protected delivery.

Get it on Amazon.ca

Why AOR L-Glutamine Capsules

One pure amino acid in a convenient capsule - here is what it is formulated to support.

Digestive Comfort

Helps support digestive system health after periods of physical stress.

Immune Support

Helps support immune system health after periods of physical stress.

Muscle Recovery

Stored in muscle and released during stress, helping assist in muscle cell repair after exercise.

Convenient & Clean

750 mg per vegan capsule, hypoallergenic with no non-medicinal ingredients - simple to fit into an active routine.

How to use

Take

Take 8 capsules daily on an empty stomach, or as directed by a qualified health care practitioner. You may split the 8 capsules into divided doses across the day.

Swallow whole

Swallow capsules whole with water - do not mix, blend or crush.

Stay consistent

Use daily for continued support; one 120-capsule bottle provides up to a 15-day supply at the full dose.

Ask a professional

Consult a qualified health care practitioner before use if you are following a low-protein diet, or if you are pregnant or breastfeeding.

What the research says about L-glutamine

Peer-reviewed studies and reviews on the amino acid L-glutamine - shared for education, not as claims about this finished product. AOR L-Glutamine Capsules' claims are the statements authorized under its Natural Health Product licence, NPN 80014988.

Gut Barrier

Lower gut permeability during exercise in the heat

A controlled trial found acute oral glutamine reduced a lactulose:rhamnose marker of intestinal permeability after running in the heat, in a dose-dependent pattern.

Human RCT
Pugh et al., European Journal of Applied Physiology (2017)
Gut Barrier

Supports the intestinal lining under inflammatory stress

In an experimental colitis model, glutamine reduced bleeding and diarrhea scores and increased protective heat-shock proteins in the colon lining.

Animal & cell study
Xue et al., JPEN Journal of Parenteral and Enteral Nutrition (2011)
Gut Barrier

One of several amino acids that reinforce the gut barrier

A review of conditionally essential amino acids in intestinal disease lists glutamine, alongside glycine and aspartate, as contributing to intestinal barrier integrity and healthy gut microbiota composition.

Review
Mahmoudi Ghehsareh et al., Amino Acids (2025)
Immune Function

Studied as part of post-exercise immune recovery

A review of nutritional strategies for exercise-induced immune changes in endurance athletes discusses glutamine among several nutrients studied for supporting immune status after heavy training.

Review
Gunzer et al., Nutrients (2012)
Immune Function

One of several nutrients studied around marathon racing

A review of strategies to support runners' immune function during the post-race recovery window examined glutamine alongside vitamin C and bovine colostrum.

Review
Akerstrom & Pedersen, Sports Medicine (2007)
Immune Function

A closer look across 8 glutamine trials in athletes

A systematic review and meta-analysis pooling supplement trials in athletes included 8 glutamine studies among carbohydrate and vitamin C trials, evaluating effects on post-exercise immune markers.

Meta-analysis
Moreira et al., European Journal of Clinical Nutrition (2007)
Exercise Recovery

Biochemical mechanisms behind exercise recovery

A narrative review describes how glutamine contributes to redox balance, energy sensing, anabolic signaling and intestinal barrier integrity during exercise-induced stress.

Review
Djordjevic et al., Medicina (2026)
Exercise Recovery

Lower muscle-damage markers in athletes

A crossover trial in professional basketball players supplementing 6 g/day of glutamine reported lower blood markers of muscle damage (creatine kinase, myoglobin) than placebo.

Human RCT
Cordova-Martinez et al., Nutrients (2021)
Exercise Recovery

Faster strength recovery after eccentric exercise

A double-blind crossover trial found oral L-glutamine sped recovery of knee-extensor peak torque and reduced soreness ratings for 72 hours after eccentric exercise.

Human RCT
Legault et al., International Journal of Sport Nutrition and Exercise Metabolism (2015)
Critical Illness

A recognized role in modern ICU nutrition guidance

A 2026 review of evidence-based ICU nutrition strategies notes that, while routine intravenous glutamine is no longer recommended, enteral glutamine retains a specific role in major burn injury care.

Review
Yeh, Trauma Surgery & Acute Care Open (2026)
Critical Illness

A proposed mechanism in sepsis-related immune suppression

A laboratory study found glutamine restored macrophage bacterial clearance and improved survival in a sepsis model by supporting mitochondrial calcium-signaling pathways.

Preclinical study
Zhu et al., Clinical Science (2025)
Critical Illness

Tracking catabolism in major burn injury

A retrospective study of major burn patients (>=20% body surface area) used the urea-to-creatinine ratio to track the intense protein catabolism - the same muscle-breakdown stress response that depletes the body's glutamine reserves - through the first 30 days of care.

Clinical study
Montoro et al., Clinical Nutrition (2026)
Safety & Tolerability

Well tolerated in a placebo-controlled trial in older adults

A double-blind, placebo-controlled trial giving older adults 12.4 g/day of oral glutamine for 60 days found no significant adverse changes in blood chemistry, inflammatory markers, or kidney and liver values.

Human RCT
Nobrega et al., Brazilian Journal of Medical and Biological Research (2024)
Safety & Tolerability

Well tolerated in a pediatric clinical trial

A randomized pilot trial of oral glutamine for vincristine-related nerve symptoms in children and adolescents with cancer reported the supplement was well tolerated, with no significant difference in side effects versus placebo.

Human RCT
Sands et al., Supportive Care in Cancer (2016)
Safety & Tolerability

A safety track record across dozens of clinical studies

A review of glutamine in oncology summarized 36 clinical studies over two decades, concluding that appropriate oral or intravenous glutamine supplementation is generally safe across the patient groups studied.

Review
Kuhn et al., European Journal of Nutrition (2009)
Comparative Research

How glutamine compares with whole protein for muscle

A review of protein and amino-acid supplementation in sport found milk-protein supplements consistently support muscle protein synthesis and recovery, while single amino acids like glutamine, BCAAs or leucine show more equivocal results.

Review
Master & Macedo, Critical Reviews in Food Science and Nutrition (2020)
Comparative Research

Compared against creatine, caffeine and flavonoids

A review of non-carbohydrate dietary factors for post-exercise glycogen recovery compared glutamine with creatine, caffeine and flavonoids, finding evidence for each - including glutamine - still limited and inconclusive.

Review
Lawler & Cialdella-Kam, Current Nutrition Reports (2020)
Comparative Research

Tested alongside creatine, arginine and taurine

A crossover trial compared a multi-ingredient pre-workout containing glutamine, creatine, arginine and taurine against creatine alone and placebo, finding the combination produced greater improvements in fatigue markers after resistance exercise.

Human RCT
Negro et al., Frontiers in Nutrition (2022)
Foundational Biochemistry

How glutamine crosses into cells

A molecular-dynamics study modeled how the ASCT2 transporter shuttles glutamine into cells, describing its role as a nitrogen and carbon source for cellular biosynthesis, including in the gut where dietary amino acids are absorbed.

Computational study
Zhang et al., Journal of Chemical Information and Modeling (2025)
Foundational Biochemistry

The enzyme that puts glutamine to work

A mouse study of the enzyme glutaminase 1, which converts glutamine to glutamate for cellular energy metabolism, illustrates why glutamine is classified as a conditionally essential amino acid.

Animal study
Terashita et al., Biochemical and Biophysical Research Communications (2025)
Foundational Biochemistry

Investigated for its antioxidant and anti-inflammatory biochemistry

A systematic review of glutamine, described as a conditionally essential amino acid, found several trials reporting reduced inflammatory or oxidative-stress markers (CRP, MDA), though not consistently across every study.

Systematic review
Movahed et al., Amino Acids (2026)
Dosing Research

How the body absorbs and clears oral glutamine

A population pharmacokinetic study found oral L-glutamine is absorbed and eliminated on a one-compartment model, with no significant drug accumulation across ascending doses taken with or without food.

Human PK study
Sadaf et al., Clinical Pharmacokinetics (2024)
Dosing Research

Measuring glutamine levels after a dose

A pharmacokinetic study in healthy adults developed a validated method to track plasma glutamine after oral 2 g and 4 g doses, supporting dose-comparison research.

Human PK study
Du et al., Journal of Chromatographic Science (2014)
Dosing Research

Rethinking the right research dose

A review argues that clinical glutamine doses for intestinal support should be modeled on the amount the small intestine actually metabolizes daily (around 30 g), rather than typical dietary intake levels.

Review
McMullen, Nutrition and Health (2025)

Frequently asked questions

What is L-Glutamine and what does it do?

L-Glutamine is a conditionally essential amino acid. This formula helps support immune and digestive system health after periods of physical stress, and helps assist in muscle cell repair after exercise.

How do I take it?

Adults 18 years and older take 8 capsules daily on an empty stomach, or as directed by a qualified health care practitioner. Swallow capsules whole - do not mix, blend or crush them.

Does it have any taste?

No - it is a capsule, not a powder, so there is nothing to taste or mix. Swallow it whole with water as part of your daily routine.

How many capsules are in a bottle, and how long does it last?

Each bottle contains 120 vegan capsules. At the full dose of 8 capsules per day, one bottle provides up to a 15-day supply.

What is in it besides L-glutamine?

Nothing medicinal. Each capsule is 750 mg of pure L-glutamine with no non-medicinal ingredients; the capsule shell itself is hypromellose. The formula is gluten-free and non-GMO.

Is it vegan?

Yes. Both the L-glutamine and the hypromellose capsule shell are vegan, with no animal-derived ingredients.

Who should not use it?

Consult a qualified health care practitioner before use if you are following a low-protein diet, or if you are pregnant or breastfeeding.

Where do I buy it?

Use the orange button on this page - it takes you to the AOR listing on Amazon.ca for secure checkout and fast delivery.

Pure single amino acid750 mg per capsule · 120 capsulesVegan · Non-GMO · Gluten-freeMade in Canada

Support gut, immune health & recovery the easy way

Get AOR L-Glutamine Capsules on Amazon.ca - fast, protected delivery.

Get it on Amazon.ca

Natural Health Product NPN 80014988. L-Glutamine helps support immune and digestive system health after periods of physical stress, and helps assist in muscle cell repair after exercise. The research summaries below concern the amino acid L-glutamine and are educational - they are not claims about this finished product. Read and follow the label. Consult a qualified health care practitioner prior to use if you are following a low-protein diet, are pregnant or breastfeeding, or are taking other medications or supplements. Results may vary.

Important information

Safety Information

Cautions and Warnings: Consult a health care practitioner prior to use if you are following a low protein diet or if you are pregnant or breastfeeding. Store tightly sealed in a cool, dry place. Do not use if the safety seal is broken.

Indications

Recommended Use or Purpose: L-Glutamine helps support immune and digestive system health after periods of physical stress. It is stored in the muscle and released during times of trauma or illness, and also helps assist in muscle cell repair after exercise. This formula is hypoallergenic.

Ingredients

Medicinal Ingredient (per capsule): L-Glutamine 750 mg. Non-medicinal ingredients: None. Capsule: hypromellose. NMIs are subject to change - always read and follow the label for accurate ingredients, cautions and allergen information.

Directions

Recommended Dose (Adults 18 years and older): Take 8 capsules daily on an empty stomach, or as directed by a qualified health care practitioner. Do not mix, blend or crush capsules. Swallow capsules whole.

Legal Disclaimer

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.