Source Naturals L-Lysine 1000 mg 100 Tab

L-lysine free form l-lysine is an essential amino acid which acts as a precursor for several other amino acids, including l-citrulline (needed in the body for normal protein metabolism) and l-carnitine (needed for fat metabolism). L-lysine is crucial for the formation of collagen, a major part of the body's connective tissues. L-lysine also contributes to energy production when converted to acetyl coenzyme a, one of the principal fuels for the krebs cycle. stearic acid, sorbitol, silica, modified cellulose gum, and magnesium stearate.ingredients: l-lysine (as l-lysine hcl) -1 gcalories -5 other ingredients: 1 tablet daily..