Lysine is an essential amino acid that your body doesn’t naturally produce. Consuming more lysine — through your diet or through supplements — may improve certain health conditions. Lysine (symbol Lys or K[2]; also L-lysine) is an α-amino acid that is a precursor to many proteins. How does lysine work (mechanism of action)? Lysine is an amino acid, which is a building block for protein. Your body uses lysine to make protein and produce energy. Your body needs lysine. L-lysine is an essential amino acid essential for tissue growth and repair. Learn about the 10 health benefits of lysine and how to obtain it from the 10 best food sources. L-Lysine - structure, chemical names, physical and chemical properties, classification, function. Lysine is an essential amino acid that offers health benefits like improving muscle strength, preventing cold sores, and reducing anxiety. Most people get enough lysine from the foods they eat. Buy L-Lysine. Keep your skin and lips healthy with L-Lysine. L-Lysine is used for the production of collagen & tissue maintenance which contribute to keeping your skin and lips healthy. Learn about the uses and potential benefits of Lysine including dosage guidelines, side effects, interactions and safety/efficacy ratings. Lysine is an essential amino acid that plays many important roles in your body. Learn 4 impressive health benefits of lysine. Learn about the potential benefits of Lysine including contraindications, adverse reactions, toxicology, pharmacology and historical usage.