Amino Acids

L-Carnitine

Transports fatty acids into mitochondria for beta-oxidation; supports energy, athletic performance, cardiovascular health

Gabriel Score

78/ 100Good

CategoryAmino Acids

Applications7 conditions

FormsL-carnitine, acetyl-L-carnitine (ALCAR, crosses BBB), L-carnitine tartrate

How it works

Transports fatty acids into mitochondria for beta-oxidation; supports energy, athletic performance, cardiovascular health

Typical Dosage

500-2000mg/day (divided doses)

Used for

FatigueHeart failureAnginaInfertilityPCOSAthletic performanceFat loss

Practical Guide

Available Forms

L-carnitine, acetyl-L-carnitine (ALCAR, crosses BBB), L-carnitine tartrate

Natural Food Sources

•Red meat (richest source)
•Dairy
•Poultry
•Fish

Dosing should be individualized. Consult a qualified healthcare practitioner.

The Science

Evidence Base

Good78/100

ALCAR best for brain; L-carnitine tartrate for muscle; vegan/vegetarians deficient; fishy odor may indicate TMAO conversion

Works Well With

CoQ10Alpha lipoic acidPQQB-vitamins

Safety Profile

Interactions

May increase seizure risk in seizure disorders
May interact with thyroid hormones

Contraindications

Seizure disorders (use with caution)

Trusted Brands

JarrowNOWLife ExtensionPure Encapsulations

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CategoryAmino Acids

Applications7

Gabriel Score78/100

Educational purposes only. Consult a qualified healthcare provider before starting any supplement protocol.

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L-Carnitine

Practical Guide

Available Forms

Natural Food Sources

The Science

Evidence Base

Works Well With

Safety Profile

Trusted Brands

Have questions about L-Carnitine?

Build Your Protocol

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N-Acetyl Cysteine (NAC)

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Ready to explore natural options?

L-Carnitine

Practical Guide

Available Forms

Natural Food Sources

The Science

Evidence Base

Works Well With

Safety Profile

Trusted Brands

Have questions about L-Carnitine?

Build Your Protocol

Related Supplements

N-Acetyl Cysteine (NAC)

L-Theanine

Creatine Monohydrate

Ready to explore natural options?