L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine Top Benefit of L Carnitine , L carnitines biggest benefit is helping your body convert fat into energy, which can support fat loss, workout performance, and overall energy levels. It also plays a Frontiers Dietary L carnitine supplementation modifies blood parameters of mid lactating dairy cows during standardized lipopolysaccharide induced inflammation Carnitine metabolism in the human gut: characterization of the two component carnitine monooxygenase CntAB from Acinetobacter baumannii Journal of Biological Chemistry