L-Lysine, an essential amino acid which may alleviate and/or reduce the duration and severity of painful shingles or cold sore outbreaks. May alleviate the painful symptoms of shingles. Possesses an anti-herpes effect. Inhibits herpes. Plays a natural role in building connective tissue and healing wounds   How Does L-Lysine Work? Background: L-Lysine is an essential amino acid that cannot be synthesized in the body and must be obtained through diet. It is a L-alpha-amino acid; the L-isomer of lysine. Meaning that L-Lysine is the biologically active form of Lysine.   How L-Lysine Works:   L-Lysine is one of nine essential amino acids...