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 Rev Electron Biomed Electron J Biomed 2006;1:33 41 Diaz et al. L CARNITINE INDUCED MODULATION Frontiers Emerging therapy targets to modulate microbiome mediated effects evident in cardiovascular disease Essential L Carnitine Optimal Health Systems Doctor's Best L Carnitine Fumarate with Biosint 180 vcaps