L-Carnitine
An amino acid derivative that transports long-chain fatty acids into mitochondria for energy production. Studied for cardiovascular health, weight management, exercise performance, and male fertility.
Known Health Benefits
Active Compounds
L-carnitine tartrate, propionyl-L-carnitine
Dosage Guidance
1–3 g daily
Always consult a healthcare provider for personalized dosing.
Potential Side Effects
GI upset, fishy body odor at high doses; potential TMAO concerns studied
Known Drug Interactions
May interact with thyroid medications, valproic acid, and blood thinners
Evidence Classification
Supported by cohort studies, case-control studies, or multiple observational studies with consistent findings.
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This entry is for educational purposes only. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen, especially if you take medications or have health conditions.