Carnitine_tekst Molecule of the Month September 2003 Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Pharmacokinetics of L Carnitine : Clinical Pharmacokinetics Trimethylaminuria: Definition, symptoms, and more Trimethylamine N oxide (TMAO): Pathway, Cardiovascular Risk, Diet & LCMS MS Testing PDF) [L carnitine treatment and fish odor syndrome: an unwaited adverse effect].