L-Threonine is widely used in the food and beverage industry as a nutritional supplement to enhance the protein content in various products, particularly in health foods and dietary supplements. It is essential for maintaining proper protein balance in the body and is often added to animal feed to promote healthy growth and development in livestock, poultry, and aquaculture. In the pharmaceutical sector, L-Threonine is utilized in the formulation of amino acid infusions and therapeutic products aimed at treating malnutrition or supporting recovery in patients with certain medical conditions. Additionally, it plays a role in cosmetic formulations, where it contributes to skin hydration and the maintenance of healthy skin barriers. Its application in biotechnology includes its use as a precursor in the synthesis of other amino acids and bioactive compounds.