Vitamin B2, also known as riboflavin, is a water-soluble vitamin that is essential for human health. It contains a heterocyclic ring structure and helps the body metabolize fats, proteins, and carbohydrates to produce energy. Riboflavin also assists other vitamins in being utilized by the body and is important for vision, growth, and red blood cell production. Deficiency can result in cracks in the mouth or tongue, though it is uncommon except in cases of other vitamin deficiencies or chronic alcoholism. Good dietary sources include dairy products, eggs, leafy greens, mushrooms, and whole grains. The recommended daily intake varies from 0.4 to 1.6 mg depending on