L-Methionine

USE: L-Methionine is an amino acid that is considered an essential nutrient because your body doesn't synthesize it. Your body uses amino acids primarily to make protein, especially muscle fibers, connective tissue and enzymes. Methionine is also a source of dietary sulfur and other compounds that your body needs for healthy metabolism and growth. It helps to reduce cholesterol and fats in the body, prevents hair, skin and nail disorders.
SOURCE: Methionine is widely available in meats, fish, eggs and dairy products, soybeans and in smaller amounts in whole grains, fermented foods and some fruits and vegetables such as beans, garlic, onion.