L Lysine F G 98.5% refers to L-Lysine, a high-purity amino acid mainly used as feed-grade supplement animal feed. It plays an important role in the synthesis of protein and growth and health overall. It is an essential amino acid, which animals cannot synthesize and should be supplemented via diet. This is applied in animal feed formulations to enable proper synthesis of proteins, which further develops muscles, enhances bone growth, and increases the general health conditions in animals. L Lysine F G 98.5% is a high quality, concentrated supplement of amino acids, designed to enhance the growth and overall health of monogastric animals, such as poultry, swine, fish, and pet animals.