Transports long-chain fatty acids into mitochondria for β-oxidation. ALCAR (acetyl-L-carnitine) crosses BBB for brain effects. GPLC (glycine propionyl-L-carnitine) for exercise blood flow. LCLT (L-carnitine L-tartrate) for exercise recovery. The TMA/TMAO gut bacteria concern: carnitine → TMA → TMAO (atherosclerosis marker). Relevant only at high chronic doses in meat-heavy diets. --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.