Used as a food additive to fortify cereals, dairy products, and beverages due to its role as vitamin B2. Commonly added to nutritional supplements and animal feed to prevent deficiency. Employed in pharmaceuticals to support cellular energy production and treat riboflavin deficiency conditions like ariboflavinosis. Acts as a fluorescent tracer in biochemical research and diagnostics. Used as a natural coloring agent in cosmetics and personal care products for its yellow-orange hue. Also applied in phototherapy for treating certain eye and vascular conditions due to its light-sensitive properties.