On orders over $30!
L-Carnitine
Filters
Common ingredients
Acetyl-L-Carnitine 500 mg 90 Caps by Klaire Labs/SFI Health
Klaire LabsAcetyl-L-Carnitine by Klaire Labs is a dietary supplement designed to support healthy brain and nervous system function during the aging process. A...
View full detailsAcetyl-L-Carnitine 500 mg 60 capsules by Thorne Research
Thorne ResearchFormerly Carnityl Acetyl-L-Carnitine by Thorne Research is a professional and high quality health supplement which is designed as an ester form of ...
View full detailsAcetyl L-Carnitine 500 mg 60 caps by Integrative Therapeutics
Integrative TherapeuticsAcetyl L-Carnitine 500 mg by Integrative Therapeutics is a dietary supplement designed to support healthy heart and cognitive function in addition ...
View full detailsAcetyl-L-Carnitine 750 mg 60 caps by NutriDyn
NutriDynNutriDyn's Acetyl-L-Carnitine is an amino acid that is involved in the metabolism of fatty acids and energy production. It is also important for th...
View full detailsL-Carnitine 340 mg by Pure Encapsulations
Pure EncapsulationsThe amino acid L-Carnitine that's stored at healthy levels in the brain, kidneys, liver, muscles and skeleton supports many normal physical process...
View full detailsAcetyl-L-Carnitine 500 mg 60 capsules by Pure Encapsulations
Pure EncapsulationsAcetyl-L-Carnitine 500 mg is a dietary supplement that can help increase energy levels and promote mental acuity. This Pure Encapsulations product ...
View full detailsN-Acetyl-L-Carnitine 500 mg 90 caps by Montiff
MontiffN-Acetyl-L-Carnitine by Montiff provides acetyl-L-carnitine, the ester form of carnitine that readily reaches the brain. It supports acetylcholine ...
View full detailsAcetyl L-Carnitine 500 mg by Douglas Labs
Douglas LabsAcetyl L-Carnitine 500 mg by Douglas Labs is a health supplement particularly useful for those interested in reducing their weight. Regular consump...
View full detailsCoQ10 L-Carnitine Fumarate 120 capsules by Pure Encapsulations
Pure EncapsulationsCoQ10 L-Carnitine Fumarate by Pure Encapsulations combines coenzyme Q10 with L-carnitine fumarate, a bioavailable form of carnitine that transports...
View full detailsLiquid L-Carnitine CoQ10 16 fl oz by Dr.'s Advantage
Dr.'s AdvantageDr.'s Advantage Liquid L-Carnitine CoQ10 delivers 1,000 mg of L-carnitine and 100 mg of CoQ10 per tablespoon in a natural orange-flavored liquid. I...
View full detailsAcetyl L-Carnitine 500 mg by Jarrow Formulas
Jarrow FormulasAcetyl L-Carnitine 500 mg by Jarrow Formulas provides an acetylated form of L-carnitine that can reach the brain. 500 mg acetyl-L-carnitine per cap...
View full detailsAcetyl-L-Carnitine 500 mg 100 capsules by Protocol for Life Balance
Protocol For Life BalanceAcetyl-l-carnitine enables fatty acids to travel into cells. This allows them to be converted, stored and transformed into energy to fuel your cell...
View full detailsAcetyl-L Carnitine 500 mg 50 capsules by NOW
NowAcetyl-L Carnitine 500 mg 50 vcaps by NOW Laboratories contains a specialized form of l-carnitine. L-carnitine is a critical amino acid for human g...
View full detailsL-Carnitine 500 60 caps by Progressive Labs
Progressive LabsProgressive Labs has produced L-Carnitine 500 to promote optimal energy production by supplying a critical free form amino acid. Although the body ...
View full detailsL-Carnitine 500 mg 60 capsules by BioGenesis
BioGenesisThe body uses carnitine to metabolize fatty acids, which is a process that converts fat into energy. Carnitine is created in the liver and kidneys ...
View full detailsC2 Chromium Picolinate & L-Carnitine 120 veg caps by BioActive Nutrients
BioActive NutrientsC2 by BioActive Nutrients combines chromium picolinate and L-carnitine in one vegetarian capsule. Chromium is an essential trace mineral involved i...
View full detailsAcetyl L-Carnitine 500 mg 60 capsules by Vital Nutrients
Vital NutrientsVital Nutrients' Acetyl L-Carnitine 500 mg is a natural health product which is able to help with promoting overall healthy brain function. This he...
View full detailsL-Carnitine 500 mg 60 capsules by Protocol for Life Balance
Protocol For Life BalanceL-Carnitine 500 mg by Protocol For Life Balance is a dietary supplement that boosts cellular energy by transporting fatty acids across the mitochon...
View full detailsCarnitine 500 mg 60 caps by Vital Nutrients
Vital NutrientsCarnitine 500 mg by Vital Nutrients is a professional health supplement which is designed to help with promoting cardiovascular health while offeri...
View full detailsAcetyl-L-Carnitine 250 mg 60 capsules by Pure Encapsulations
Pure EncapsulationsAcetyl-L-Carnitine 250 mg by Pure Encapsulations is a supplement that helps support membrane stability in the body, improving overall cellular func...
View full detailsAcetyl-L-Carnitine 500 mg 100 capsules by Allergy Research Group
Allergy Research GroupAcetyl L-carnitine, a substance closely related to the B vitamins, has a chemical structure similar to that of amino acids and is therefore typical...
View full detailsOptimized Carnitine 60 capsules by Life Extension
Life ExtensionOptimized Carnitine by Life Extension combines three forms of carnitine: acetyl-L-carnitine, acetyl-L-carnitine arginate, and glycine propionyl-L-c...
View full detailsL-Carnitine Fumarate 340 mg 120 capsules by Pure Encapsulations
Pure EncapsulationsThe L-Carnitine fumarate 340 mg by Pure Encapsulations is an all-natural supplement that supports healthy muscle function. This healthy supplement ...
View full detailsL-Carnitine Tartrate 500 mg 60 caps by Klaire Labs/SFI Health
Klaire LabsKlaire Labs' L-Carnitine Tartrate is designed to help the body meet its ongoing needs for energy production. L-Carnitine Tartrate features a stable...
View full detailsAbout L-Carnitine
L-carnitine is a nutrient that carries fatty acids into the mitochondria, where they are burned for energy. It supports healthy energy production, fat metabolism and exercise recovery.
This collection includes L-carnitine, acetyl-L-carnitine (ALCAR) and carnitine combination formulas from Klaire Labs, Thorne, Pure Encapsulations, Integrative Therapeutics, NutriDyn and more.
L-Carnitine vs Acetyl-L-Carnitine
- L-carnitine: The standard form, chosen to support energy production, fat metabolism and exercise recovery.
- Acetyl-L-carnitine (ALCAR): A form that reaches the brain, often chosen for memory, focus and mental energy.
- Liquids: Easy to dose and convenient for larger amounts.
- Combination formulas: Carnitine paired with CoQ10, chromium or alpha lipoic acid for broader energy and metabolism support.
Carnitine is often part of an energy routine with CoQ10 and B vitamins, or a training routine with creatine.
Frequently Asked Questions
What is the difference between L-carnitine and acetyl-L-carnitine?
Acetyl-L-carnitine reaches the brain more easily. L-carnitine is usually chosen for energy and exercise, while acetyl-L-carnitine is chosen for memory, focus and mental energy.
How much L-carnitine should I take?
Most products provide 500 to 2,000 mg per day. Follow the label or your practitioner's guidance.
When is the best time to take L-carnitine?
Many people take it in the morning or before exercise. Taking it with a meal can support comfort.
Who might consider L-carnitine?
People focused on energy, exercise and healthy aging often use it. Your body makes some carnitine, and it is also found in red meat, so people who eat little meat sometimes supplement.
Related categories: Energy & Stamina | CoQ10 | Brain Health & Memory | Metabolism Support | Amino Acids
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.