http://en.wikipedia.org/wiki/Lysine

http://www.umm.edu/altmed/articles/lysine-000312.htm

http://www.healthvitaminsguide.com/aminoacids/lysine.htm

http://www.gematria.com/L-Lysine-Amino-Acid-Supplement-p/04-90.htm

http://www.vitamins-supplements.org/amino-acids/lysine.php

http://www.biology.arizona.edu/biochemistry/problem_sets/aa/Lysine.html

http://herpes-coldsores.com/amino-acid-lysine-for-herpes.html

http://www.traditionaloven.com/tutorials/l-lysine_amino_acid.html

http://www.vitalhealthzone.com/nutrition/amino-acids/lysine.html

http://www.springboard4health.com/notebook/proteins_lysine.html