Foods High in L-Lysine

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L-lysine is one of eight essential amino acids and is a building block of protein. It is important for good health. However, since it is an amino acid, the body is not able to produce it naturally. L-lysine must be introduced into the body through food or supplements. There are many foods rich in L-lysine that should be included in your daily diet.

Steak is one source high in L-lysine
Steak is one source high in L-lysine (Image: Digital Vision./Digital Vision/Getty Images)

Benefits

L-lysine aids in physical development. According to the University of Maryland Medical Center, it plays an essential role in the production of carnitine, a nutrient responsible for converting fatty acids into energy and helping to lower cholesterol.

L-lysine is beneficial in helping the body absorb and conserve calcium. It also helps the body form collagen, which is necessary for healthy bones, tendons, cartilage and skin.

L-lysine helps the body form collagen, which is necessary for healthy bones, tendons, cartilage and skin
L-lysine helps the body form collagen, which is necessary for healthy bones, tendons, cartilage and skin (Image: Digital Vision./Photodisc/Getty Images)

L-Lysine Foods

Select foods that are high in protein for the best choice of L-lysine foods. Red meats have the highest L-lysine content; however, pork and poultry also contain lysine. Parmesan cheese contains a beneficial amount of L-lysine. Other foods high in L-lysine include cod, sardines, nuts, eggs, soybeans, tofu, soy flour and fenugreek seed.

Various meats, including beef, pork, and chicken
Various meats, including beef, pork, and chicken (Image: Jupiterimages/Comstock/Getty Images)

Foods to Avoid

There are some foods that can inhibit L-lysine absorption. Many baked goods make it difficult for the body to absorb necessary L-lysine. Foods like pastries, doughnuts, cookies and some cereals should be avoided, especially if you are suffering from a L-lysine deficiency. A diet high in these and similar simple sugars could prevent you from reaping the best benefits from L-lysine.

any baked goods make it difficult for the body to absorb necessary L-lysine
any baked goods make it difficult for the body to absorb necessary L-lysine (Image: ITStock Free/Polka Dot/Getty Images)

L-Lysine Deficiency

L-lysine deficiency is not a very common problem, yet people who are extremely athletic or strict vegetarians may find that they have this condition. Signs for L-lysine deficiency include kidney stones, fatigue, nausea, dizziness, loss of appetite, agitation, bloodshot eyes, impeded growth, anemia and reproductive disorders. It is important to speak to a physician if any of these signs are evident before taking a L-lysine supplement.

Athletes low in L-lysine should add more sources of meat protein into their diet if they find that they are L-lysine deficient. Vegetarians should add legumes like beans, peas, lentils and soy into their diet to increase L-lysine intake.

people who are extremely athletic or strict vegetarians may find that they have L-lysine deficiency
people who are extremely athletic or strict vegetarians may find that they have L-lysine deficiency (Image: Polka Dot Images/Polka Dot/Getty Images)

Uses

Eating foods rich in L-lysine can help relieve several conditions; however, taking a L-lysine supplement may provide more relief for these conditions. L-lysine can be beneficial in the treatment of herpes, shingles, osteoporosis, inflammation, episiotomy pain, migraine relief and painful periods.

L-lysine supplements can be beneficial in the treatment of many conditions
L-lysine supplements can be beneficial in the treatment of many conditions (Image: Thinkstock/Comstock/Getty Images)

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