Source Naturals L-Lysine 1000 mg Free Form - Amino Acid Supplement Supports Energy Formation & Collagen - 50 Tablets

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. The suggested use is Please contact our in-house customer support if you have any questions.