AOR L-Carnitine 500mg - Energy Metabolism & Recovery Support | 120 Caps
Visit the AOR Store| Brand | AOR |
| Serving | 500 mg (1 capsule) |
| Licensed Natural Health Product | NPN 80039406 |
| Quality Standards | GMP-compliant facility |
| Country | Made in Canada  |
About this item
- 500 MG PER CAPSULE: Each capsule provides 500 mg of L-carnitine (as L-carnitine tartrate) - a clear, consistent dose in every capsule, 120 capsules per bottle.
- SUPPORTS FAT METABOLISM & ENERGY: L-Carnitine helps support fat metabolism, part of the body's process for converting stored fat into usable cellular energy.
- AIDS MUSCLE RECOVERY AFTER RESISTANCE TRAINING: Aids in the muscle recovery process by reducing muscle tissue damage associated with a resistance training regimen, and helps support muscle tissue repair in individuals involved in resistance training.
- PROVIDES ANTIOXIDANTS: L-Carnitine provides antioxidants and supports antioxidant capacity during post-exercise muscle repair.
- HELPS IMPROVE PHYSICAL PERFORMANCE & DELAY FATIGUE: Helps improve physical performance when used in conjunction with a training regimen, and helps delay fatigue during physical activity.
- VEGAN, NON-GMO, GLUTEN-FREE: A plant-based hypromellose capsule with microcrystalline cellulose and sodium stearyl fumarate as the only non-medicinal ingredients - a simple, clean formulation.
- SIMPLE ADULT DOSING: Take 2 capsules twice daily with food, 2-4 hours before exercise, or as directed by a qualified health care practitioner - a 120-capsule bottle is up to a 30-day supply.
- PREMIUM CANADIAN QUALITY: Made in Canada in a GMP-compliant facility by Advanced Orthomolecular Research (AOR), licensed under Health Canada NPN 80039406.
Product Description
L-Carnitine - Supporting Energy Metabolism and Exercise Recovery
L-Carnitine (as L-carnitine tartrate), 500 mg per capsule. L-Carnitine provides antioxidants and helps support fat metabolism, aiding in the muscle recovery process by reducing muscle tissue damage associated with a resistance training regimen and helping improve physical performance when used with a training regimen. Licensed Natural Health Product NPN 80039406.
Pure L-Carnitine (Tartrate), 500 mg
One capsule, one clear dose - Vegan, Non-GMO, Gluten-Free
Muscle Recovery Support
Aids in the muscle recovery process by reducing muscle tissue damage associated with a resistance training regimen, and helps support muscle tissue repair in individuals involved in resistance training.
Simple, Consistent Dosing
500 mg per capsule; take 2 capsules twice daily with food, 2-4 hours before exercise, or as directed by a qualified health care practitioner.
What AOR L-Carnitine Supports
L-Carnitine is a Health Canada-licensed Natural Health Product studied for its roles in fat metabolism, antioxidant capacity and exercise recovery.
Fat Metabolism
Helps support fat metabolism, part of the body's process for turning stored fat into usable energy.
Muscle Recovery
Aids in the muscle recovery process by reducing muscle tissue damage associated with a resistance training regimen.
Antioxidant Support
Provides antioxidants and supports antioxidant capacity during post-exercise muscle repair.
Physical Performance
Helps improve physical performance and helps delay fatigue during physical activity when used with a training regimen.
AOR L-Carnitine: Supplement Facts
Each capsule contains:
- L-Carnitine (tartrate)500 mg
Non-Medicinal Ingredients: Non-medicinal ingredients: Microcrystalline cellulose, sodium stearyl fumarate. Capsule: hypromellose.
Recommended Use or Purpose: L-Carnitine provides antioxidants. Aids in the muscle recovery process by reducing muscle tissue damage associated with a resistance training regimen. Helps support muscle tissue repair in individuals involved in resistance training. Supports antioxidant capacity during post-exercise muscle repair. Helps support fat metabolism. Helps improve physical performance when used in conjunction with a training regimen. Helps delay fatigue during physical activity.
Recommended Dose (Adults 18 years and older): Take 2 capsules twice daily with food, 2-4 hours before exercise, or as directed by a qualified health care practitioner. Do not crush, mix or blend capsules; swallow capsules whole.
Cautions and Warnings: Consult a health care practitioner prior to use if you are pregnant or breastfeeding, or if you have a liver or kidney disease or seizure disorder.
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.
Chaque capsule contient :
- L-Carnitine (tartrate)500 mg
Ingrédients non médicinaux : Ingrédients non médicinaux : Cellulose microcristalline, fumarate de stéaryle de sodium. Capsule : hypromellose.
Usage ou fins recommandés : La L-carnitine fournit des antioxydants. Contribue au processus de récupération musculaire en réduisant les lésions du tissu musculaire associées à un régime d'entraînement en résistance. Favorise la réparation des tissus musculaires chez les personnes qui s'entraînent à la résistance. Favorise la capacité antioxydante pendant la réparation musculaire post-exercice. Favorise le métabolisme des graisses. Contribue à améliorer les performances physiques lorsqu'il est utilisé en conjonction avec un régime d'entraînement. Contribue à retarder la fatigue pendant l'activité physique.
Dose recommandée (adultes de 18 ans et plus) : Prendre 2 capsules deux fois par jour avec de la nourriture, 2 à 4 heures avant de faire de l'exercice, ou selon les recommandations d'un professionnel de la santé qualifié. Ne pas écraser, mélanger ou broyer les capsules; avaler les capsules entières.
Mises en garde : Consulter un professionnel de la santé avant de prendre ce produit si vous êtes enceinte, si vous allaitez ou si vous souffrez d'un trouble hépatique, rénal ou épileptique.
NPN 80039406
Support energy metabolism and muscle recovery the easy way
Get AOR L-Carnitine on Amazon.ca - fast, protected delivery.
Get it on Amazon.caWhy AOR L-Carnitine
One licensed compound - four ways it supports your body.
Licensed energy & recovery use
Health Canada-licensed to help support fat metabolism, aid muscle recovery and help improve physical performance with training.
Provides antioxidants
Supports antioxidant capacity, including during post-exercise muscle repair.
Simple, single-ingredient formula
Just L-carnitine tartrate, microcrystalline cellulose and a hypromellose capsule - vegan, non-GMO, gluten-free.
Premium Canadian brand
AOR - Advanced Orthomolecular Research, since 1991. NPN 80039406.
How to use it
Take 2 capsules, twice daily
Take 2 capsules twice daily with food, 2-4 hours before exercise, or as directed by a qualified health care practitioner.
Swallow capsules whole
Do not crush, mix or blend capsules - swallow capsules whole.
Stay consistent
120 capsules is up to a 30-day supply at the labeled dose - consistent daily use supports the muscle-recovery and fat-metabolism claims studied in the research.
What the research says about L-carnitine
Educational summaries of published research on L-carnitine; not product-specific claims. AOR L-Carnitine's own claims are the statements authorized under its Natural Health Product licence, NPN 80039406. Exercise-performance research on L-carnitine is genuinely mixed - represented here honestly, including studies that found no effect.
Evidence built from performance to recovery
Early research pointed to benefits for acute measures like peak oxygen consumption and power output; later studies shifted focus to the post-exercise recovery process itself, where L-carnitine has more consistently shown benefit.
ReviewModerate-certainty support for reducing exercise-induced markers
An umbrella review of 53 meta-analyses across 24 nutritional interventions found L-carnitine supplementation, alongside HMB, significantly reduced post-exercise creatine kinase - one of several supplements showing a moderate-certainty benefit for exercise-induced muscle damage.
Umbrella reviewFive weeks of L-carnitine tartrate improved recovery markers
In an 80-person randomized, placebo-controlled trial, 5 weeks of L-carnitine tartrate supplementation improved perceived recovery and soreness and lowered serum creatine kinase after a high-volume exercise challenge, independent of age or gender.
Human RCTDirectly measured: more fat burned after supplementation
Using labeled palmitic acid, researchers found oral L-carnitine supplementation (3 x 1 g per day for 10 days) significantly increased long-chain fatty-acid oxidation in healthy adults - the first study to demonstrate this directly in people without a carnitine deficiency.
Human mechanistic studyFat oxidation rose without breaking down protein
In slightly overweight adults, 10 days of L-carnitine (3 g/day) raised measured fat oxidation from 15.8% to 19.3% of energy expenditure, while protein synthesis and breakdown rates stayed unchanged - the extra fat-burning did not come at the expense of lean tissue.
Human studyThe enzyme that keeps fuel metabolism in balance
A 2025 review describes carnitine O-acetyltransferase (CRAT) as a central mitochondrial enzyme that buffers the acetyl-CoA pool, helping the body balance fat oxidation against glucose oxidation as metabolic demand shifts.
ReviewA scoping review: plausible, but not yet conclusive
Reviewing the available trials on exercise-induced muscle damage, researchers found L-carnitine's antioxidant and bioenergetic roles make it a plausible aid to post-exercise recovery, while cautioning that further studies are needed to conclusively confirm the underlying mechanisms.
Scoping reviewLess tissue damage, but no change in strength or power
In middle-aged men and women, L-carnitine L-tartrate (2 g/day) reduced biochemical markers of muscle-tissue disruption and soreness after physical exertion - but measures of physical performance such as strength, power and get-up-and-go were not affected in this study.
Human RCTLess muscle disruption on MRI after squats
Resistance-trained men who took L-carnitine L-tartrate for three weeks before a high-repetition squat protocol showed 41-45% less muscle tissue disruption on MRI scans than the placebo group, alongside smaller increases in markers of free-radical damage.
Human RCTA modest pooled effect on weight and waist circumference
An umbrella meta-analysis pooling 8 meta-analyses (16,352 participants) found L-carnitine supplementation was associated with reductions in body weight, BMI and waist circumference - though the underlying studies varied widely, so the size of any individual effect is uncertain.
Umbrella meta-analysisSmall, dose-related improvements in type 2 diabetes
A dose-response meta-analysis of 21 trials in people with type 2 diabetes found each additional 1 g/day of L-carnitine was associated with small reductions in BMI, HbA1c and LDL cholesterol - real but modest effects the authors urged interpreting cautiously given high variability between studies.
Meta-analysisNot every population responds the same way
In hemodialysis patients specifically, a 2026 meta-analysis of 16 trials found no significant overall effect of L-carnitine on weight, BMI or lipid levels - a reminder that body-composition results are population-dependent, not a universal effect.
Meta-analysisA well-established margin of safety
A formal risk assessment concluded the evidence of safety for L-carnitine is strong at chronic intakes up to 2,000 mg per day, the 'observed safe level' - this product's labeled dose (2 capsules, twice daily) supplies exactly 2,000 mg per day.
Risk assessmentA documented interaction with thyroid hormone action
Carnitine has been studied as a naturally occurring peripheral antagonist of thyroid hormone action - in a 6-month trial it helped reverse symptoms of iatrogenic hyperthyroidism. This mechanism is why some clinicians advise people taking thyroid hormone medication to check with a health-care practitioner before adding a carnitine supplement.
Human RCTWhy a seizure-disorder caution appears on the label
The anticonvulsant valproate is a well-documented cause of carnitine deficiency in patients being treated for seizure disorders - part of the clinical picture behind the standard caution to consult a health-care practitioner before using a carnitine supplement if you have a seizure disorder.
Clinical reportWhy 'L-carnitine tartrate' specifically for recovery
The exercise-recovery and hormonal-response research behind this type of claim used L-carnitine L-tartrate specifically, at 2 g/day - Health Canada's own monograph licenses the muscle-recovery and workout-support claims to the tartrate (and plain L-carnitine) forms, not to every carnitine salt equally.
Human RCTA different carnitine conjugate, a different research angle
Glycine propionyl-L-carnitine (GPLC), a distinct carnitine conjugate marketed as a pre-workout ingredient, was tested for effects on muscle oxygen saturation and blood markers - illustrating how different carnitine forms have been studied for different proposed benefits.
Human RCTOne transporter, two different brain destinations
The OCTN2 transporter carries both L-carnitine and acetyl-L-carnitine across the blood-brain barrier, but researchers found the two forms distribute differently once inside the brain - part of the reason the acetylated form is more often studied for cognitive and nerve-health uses, while tartrate is the form studied for muscle recovery.
MechanismThe shuttle that lets muscle burn fat for fuel
Carnitine's essential role is translocating long-chain fatty acids into the mitochondrial matrix for beta-oxidation, while also helping regulate the balance between fat and carbohydrate use as a muscle fuel source.
ReviewThe molecular gate of the carnitine shuttle
A structural review of the mitochondrial carnitine/acylcarnitine carrier (CAC) explains how this transporter protein exchanges carnitine for acylcarnitines across the mitochondrial membrane - the gating step the entire carnitine shuttle depends on.
ReviewA network of transporters moves carnitine where it's needed
Beyond the mitochondrial shuttle, a family of membrane transporters (including OCTN2) moves carnitine from the bloodstream into tissues throughout the body, coordinating supply with cellular demand for fatty-acid fuel.
ReviewBoth 1 g and 2 g doses were effective
Testing 0 g, 1 g and 2 g doses of L-carnitine L-tartrate over three weeks each, researchers found both the 1 g and 2 g doses - not just the higher one - reduced post-exercise metabolic-stress markers and perceived muscle soreness.
Human RCT (dose-response)Why oral doses are often split through the day
Classic pharmacokinetic work found oral carnitine absorption is already close to saturated at a 2 g single dose (16% bioavailability, versus just 5% at 6 g) - one reason label directions favor smaller, repeated doses over one large dose.
Human pharmacokinetic studyA single 2 g dose measurably raised antioxidant activity
After one 2 g oral dose, healthy volunteers showed a measurable rise in several antioxidant enzymes (superoxide dismutase, glutathione peroxidase, catalase) within 3.5 hours, returning to baseline by 24 hours - consistent with the licensed 'source of antioxidant' claim.
Human studyFrequently asked questions
What is L-Carnitine and what does it do?
L-Carnitine (as L-carnitine tartrate) is a Health Canada-licensed Natural Health Product (NPN 80039406) that provides antioxidants, aids in the muscle recovery process by reducing muscle tissue damage associated with a resistance training regimen, helps support muscle tissue repair, helps support fat metabolism, helps improve physical performance when used with a training regimen, and helps delay fatigue during physical activity.
How do I take it?
Take 2 capsules twice daily with food, 2-4 hours before exercise, or as directed by a qualified health care practitioner. Do not crush, mix or blend capsules - swallow capsules whole.
How long does one bottle last?
At the labeled dose of 4 capsules per day, a 120-capsule bottle provides up to a 30-day supply.
Will it help me lose weight?
L-Carnitine's licensed claims are for fat metabolism, muscle recovery and physical performance support, not weight loss specifically. Research on body composition is mixed - some studies show modest reductions in weight or BMI, while others (for example, in specific clinical populations) find no significant effect. It works best alongside training and diet, not as a stand-alone weight-loss product.
Are there any cautions I should know about?
Yes. Consult a health care practitioner prior to use if you are pregnant or breastfeeding, or if you have a liver or kidney disease or seizure disorder.
Is it vegan and allergen-friendly?
Yes - the capsule is vegan, non-GMO and gluten-free. Non-medicinal ingredients are microcrystalline cellulose and sodium stearyl fumarate, with a hypromellose capsule.
Is it made in Canada?
Yes. It is manufactured in Canada in a GMP-compliant facility by AOR and licensed by Health Canada under NPN 80039406.
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.
Support energy metabolism and muscle recovery the easy way
Get AOR L-Carnitine on Amazon.ca - fast, protected delivery.
Get it on Amazon.caNatural Health Product NPN 80039406. L-Carnitine provides antioxidants and helps support fat metabolism, muscle tissue repair and physical performance in individuals involved in resistance training. The research summaries below concern the compound L-carnitine generally and are educational - they are not claims about this finished product beyond its licensed use. Read and follow the label. Consult a health care practitioner prior to use if you are pregnant, breastfeeding, or if you have a liver or kidney disease or seizure disorder. AOR is the manufacturer; sold by Canadian Health & Care on Amazon.ca. Results may vary.
Important information
Safety Information
Cautions and Warnings: Consult a health care practitioner prior to use if you are pregnant or breastfeeding, or if you have a liver or kidney disease or seizure disorder.
Indications
Recommended Use or Purpose: L-Carnitine provides antioxidants. Aids in the muscle recovery process by reducing muscle tissue damage associated with a resistance training regimen. Helps support muscle tissue repair in individuals involved in resistance training. Supports antioxidant capacity during post-exercise muscle repair. Helps support fat metabolism. Helps improve physical performance when used in conjunction with a training regimen. Helps delay fatigue during physical activity.
Ingredients
Medicinal Ingredients: Serving Size: One Capsule. L-Carnitine (tartrate) 500 mg. Non-medicinal Ingredients: Microcrystalline cellulose, sodium stearyl fumarate. Capsule: hypromellose.
Directions
Recommended Dose (Adults 18 years and older): Take 2 capsules twice daily with food, 2-4 hours before exercise, or as directed by a qualified health care practitioner. Do not crush, mix or blend 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.