L-Lysine tablets are enriched with essential amino acid for the diet supplementation. Lysine is necessary for the production of proteins in the body. It is required for the maintenance of the structural proteins collagen and elastin. It forms all connective tissues such as skin, tendon, and bone. Lysine is also a precursor to carnitine that is needed for fat metabolism and energy production. It also supports healthy immune system and proper cardiovascular function.