L-Threonine F G 98.5% is an essential amino acid of high purity L-threonine, mainly for use as an animal feed additive. Threonine is known to contribute immensely to the body's immune system while, at the same time maintaining and supporting intestinal health as well as varied immune responses. The high purity of this amino acid will help to provide animals with an efficient as well as an exact dose of threonine, thus optimizing feed efficiency, protein synthesis, and health in general. L-Threonine F G is a high-purity feed-grade amino acid supplement supporting growth, muscle development, immune health, and digestive function in a wide range of animal species, including poultry, swine, fish, and cattle.