Vitamin B2 – Uses, Benefits, Sources and Dosage Vitamin B2 is also known as riboflavin. It is a water soluble vitamin that is required for the conversion of carbohydrates into glucose which in turn is used to produce energy. It was first observed as the yellow-green pigment in milk. Benefits of Vitamin B2 Riboflavin is one of 8 B vitamins that include following Benefits: It acts as an antioxidant. It is important for the production of red blood cells. It