L-Lysine is an essential amino acid which bodies cannot produce it, and, therefore, we must obtain it from our diet or through supplementation. There are various medications for shingles that include antiviral drugs, steroids, topical agents, and so on. Some people swear by L-lysine natural help for shingles. Lysine is required for collagen synthesis and it may be important to bone health because it appears to help the body absorb and conserve calcium. Lysine is required for collagen synthesis and it may be important to bone health because it appears to help the body absorb and conserve calcium which both reducing the number of outbreaks and alleviating the severity of the symptoms. See the links below for more details.