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L-Carnitine
What it is An amino acid derivative that transports long-chain fatty acids into mitochondria for energy. Made from lysine and methionine and found mainly in red meat and dairy.
Common forms
L-Carnitine (levocarnitine): active supplement form.
Acetyl-L-Carnitine (ALCAR): crosses the blood–brain barrier; used for cognition and nerve health.
L-Carnitine L-Tartrate (LCLT): faster absorption; used in sports supplements.
Propionyl-L-Carnitine (PLCAR): used for peripheral vascular and cardiovascular issues.
L-Carnitine
What it is An amino acid derivative that transports long-chain fatty acids into mitochondria for energy. Made from lysine and methionine and found mainly in red meat and dairy.
Common forms
L-Carnitine (levocarnitine): active supplement form.
Acetyl-L-Carnitine (ALCAR): crosses the blood–brain barrier; used for cognition and nerve health.
L-Carnitine L-Tartrate (LCLT): faster absorption; used in sports supplements.
Propionyl-L-Carnitine (PLCAR): used for peripheral vascular and cardiovascular issues.