Essential L Carnitine Optimal Health Systems L Carnitine Tablets for Energy Support Nature's Bounty Levocarnitine, commonly known as L Carnitine, is a naturally occurring compound that the body produces from the amino acids lysine and methionine. It plays a critical role in energy production by transporting fatty Effects of levocarnitine on cardiac function, urinary albumin, hs CRP, BNP, and troponin in patients with coronary heart disease and heart failure ScienceDirect Effects of L carnitine and its derivatives in cardiovascular disease. Download Scientific Diagram