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L-Lysine, is an essential amino acid that has been suggested to possess Nootropic properties related to reducing anxiety, boosting attention and improving mental clarity.
Limited studies have shown it to enhance information processing, concentration capacity, long term and short term memory, executive function and reasoning.
User reviews and anecdotal reports also say that it has mood enhancing qualities and can lower stress levels. Not much is understood about the mechanism of action for the Nootropic effects of Lysine, but research continues to look at its role in the brain.
There is much more known about the impact of Lysine supplements on whole body health. This compound is an essential amino acid, necessary for several physiological functions.
Since we cannot produce it internally, we must acquire it from food sources or nutritional supplements. Rich food sources of Lysine include legumes like peas, beans, lentils, nuts, red meat, eggs, milk, cheese, sardines, and other high protein foods.
Lysine deficiencies can cause fatigue, nausea, loss of appetite, dizziness, agitation, bloodshot eyes, slow growth, anemia, and even reproductive disorders.
Lysine is particularly important in proper physical growth and also the production of Carnitine, which is a nutrient primarily responsible for converting fatty acids into energy and lowering cholesterol levels. Lysine also appears to help the body absorb calcium and plays an important role in the formation of collagen, a substance that is critical for bones, skin, tendons, cartilage, and other connective tissues.
Because your body doesn't make L-lysine on its own, you must get this amino acid from foods or supplements. You need about 1 gram of L-lysine per day, according to New York University Langone Medical Center, but people who eat protein-rich diets tend to get enough without supplementation. Foods such as cheese, nuts, eggs, meat and soybeans are good sources of L-lysine. Athletes, as well as vegetarians who don't consume legumes, may need more of the nutrient than their diet provides.
You need L-lysine for collagen production, which is vital for healthy skin and bones. Supplements of this nutrient may also help reduce flare-ups of oral or genital herpes, although studies show mixed results, according to the University of Maryland Medical Center. UMMC reports that the recommended daily supplement dosage is 12 milligrams per kilogram of body weight. One kilogram is 2.2 pounds, so a 150-pound person weighs about 68 kilograms and would take about 800 daily milligrams. To treat an active outbreak, doses may reach as high as 9,000 milligrams in a single day. See your doctor before taking L-lysine or any other supplements.