Daily's L-Lysine is an essential amino acid that is especially important for protein synthesis. L-Lysine must be obtained from the food or dietary supplements. It is often in short supply in the diets of many people and can limit the production of important proteins, which can have adverse health consequences ranging from mild to severe. Lysine is especially important for wound healing, and athletic performance. Some studies have suggested cardiovascular benefits and stress relief. Daily L-Lysine is an Exceptionally High-Quality Plant-Derived, Non-GMO product with major health benefits for the aging population and for younger people as well. One tablet provides L-Lysine 500 mg.