(SW269)L-Lysine - Free Form 500 mg 300 CapsSupports a healthy, natural response to daily stress Supports nervous system health Provides antioxidant support Swanson L Lysine is an essential amino acid that works to relieve stress in the body. It regulates immune response and helps us manage the stress of day to day life. Each capsule delivers 500 mg of L lysine to meet the additional demands of high stress times. These statements have not been evaluated by the Food and Drug Administration. This