L-Carnitine
Required for transporting long-chain fatty acids into mitochondria. The body synthesizes it endogenously; performance and fat metabolism benefits are most pronounced in deficient populations such as older adults and vegans.
An ingredient with growing research
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Effects reported in research
Supports fatty acid transport into mitochondria for energy during endurance exercise
Some research shows reduced muscle damage markers and oxidative stress post-exercise
Evidence supports fatigue improvement in older adults and vegans
Dosage & timing
- 1,000–3,000 mg/day.
- Acetyl-L-carnitine (ALCAR) is often used for cognitive support.
Cautions
- •High doses may cause fishy odor and GI discomfort.
- •Reported interactions with thyroid medication.
- •Consult a doctor if on medication.
Supporting research
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