What Does L-Lysine Do for the Body?

Chicken Parmesan is a good source of the essential amino acid L-lysine. Image Credit: Serhii Shleihel/iStock/GettyImages In This Article L-Lysine Effects and Benefits L-Lysine Sources L-Lysine Deficiency Lysine, also known as L-lysine, is one of 20 amino acids the body uses to build protein and repair tissue. Of these 20, nine — including lysine —…

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