Used as a food additive to fortify cereals, dairy products, and dietary supplements due to its role in energy metabolism. Commonly added to nutritional supplements and multivitamin formulations to prevent deficiency. Employed in pharmaceuticals to support cellular function and treat conditions related to vitamin B2 deficiency, such as migraines and certain metabolic disorders. Also used in animal feed to ensure proper growth and development. Serves as a natural coloring agent in some foods, providing a yellow-orange hue. Used in phototherapy for neonatal jaundice, where it enhances the breakdown of bilirubin under light exposure.