L-Lysine

L-Lysine is an essential amino acid, which means the body requires it but cannot produce it on its own. It is a key player in the production of various enzymes, hormones and disease-fighting antibodies. More about L-Lysine: L-Lysine is also responsible for producing collagen, which helps repair torn tendons, muscles, ligaments and skin. It helps the body absorb calcium and prevents bone loss associated with osteoporosis.