L carnitine is an amino acid that is produced in your body that helps the body turn fat into energy. Carnitine is found in nearly all cells of the body and researchers have Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Table 1 from The effects of L carnitine levels on Range of total carnitine levels according to the age Download Table Life Extension L Carnitine 500 mg 30 Vegetarian Capsules Vitacost