Some benefits of a diet that is rich in lysine are that it helps the body perform many functions, such as its growth, in the production of collagen for skin and cartilage and calcium absorption, as noted by the University of Maryland Medical Center. Based on some research studies, lysine seems to be useful for cold sores and athletic performance.
Lysine, which is an amino acid, is found in many foods. People can get enough lysine through diet. Foods that are good sources of lysine are sardines, red meats, eggs, Parmesan cheese and soybeans, states the University of Maryland Medical Center. Lysine also has functions other than the ones previously cited, such as aiding in the reduction of blood cholesterol levels. Some studies also suggest that lysine may help with osteoporosis because it helps with calcium absorption. Calcium is important for bone health. However, more studies are needed to show if lysine is efficacious for this condition,
The body gets lysine only through diet or supplementation because the body does not produce it. Some symptoms of a lysine deficiency include feeling tired, anemia and growth problems.
Lysine is possibly effective for the herpes simplex virus that causes cold sores, notes WebMD. Based on some research studies, using lysine either orally or in cream for the sores can reduce them. For this condition, the recommended dosage is between 1 and 3 grams of lysine taken daily to help in either the prevention or treatment of cold sores, as stated by the Drugs website.