L-Lysine is an essential amino acid, which means that it cannot be manufactured by the body. It must be obtained through the diet or by supplementation. Lysine is one of the most well known amino acids and is an essential component of proteins.UPCコード:  733739001009 L-Lysine is an essential amino acid, which means that it cannot be manufactured by the body. It must be obtained through the diet or by supplementation. Lysine is one of the most well known amino acids and is an essential component of proteins.----------------------------------------------※サプリメントの効能・効果の表記は薬事法により規制されています。※メーカーの都合によりボトルデザイン、成分内容が予告無しに変更される場合があります。<div>※サプリメントの効能・効果の表記は薬事法により規制されています。 ※メーカーの都合によりボトルデザイン、成分内容が予告無しに変更される場合があります。</div>