L-Lysine Is An Essential Amino Acid That Must Beobtained Through The Diet Or Through Supplementation. Lysine Is Necessary For The Production Of All Proteins Inthe Body, And Is Required For The Maintenance Of Thestructural Proteins Collagen And Elastin, Which Formall Connective Tissue Such As Skin, Tendon, And Bone. L-Lysine Is Also A Precursor To L-Carnitine, Which Isneeded For Fat Metabolism And Energy Production. In Addition, L-Lysine May Help To A Healthyimmune System And Proper Cardiovascular Function. | Now Lhealthy -Lysine 500Mg Healthy - 250 Capsules (100 Servings)