Lysine is an indispensable amino acid that cannot be made by the body. Amino acids form the basis for protein, which helps construct and maintain the critical structures in the body. In any review of L -Lysine it is commonly found that is important for growth, tissue repair, and the production of hormones, enzymes and antibodies. Research efforts are being directed at a possible beneficial role of L-Lysine in effecting the herpes virus. L-Lysine is found in large quantities in muscle tissues. Consequently many find Lysine is helpful for the health and integrity of skin and useful in the treatment of cold sores. Pack contains 50 vegetable capsules.