Source Naturals L-Lysine, 1,000 mg, 100 Tablets

Source Naturals L-Lysine is an essential free-form amino acid, which acts as a precursor for other amino acids including L-carnitine (needed for fat metabolism). Source Naturals Free Form L-Lysine is crucial to the formation of collagen, a major part of the body's connective tissues. Dietary Supplement Free Form Amino Acid