More than 95% of your L Carnitine stores are contained in your muscles, along with trace amounts in your blood, liver, heart and kidneys. L Carnitine is an essential amino acid that helps you 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 Acetyl L Carnitine: Benefits and Side Effects Gene Food L Carnitine Tartrate Does It Help Burn Fat? AS IT IS Nutrition