what does vitamin b2 do
Overview. Vitamin B2, also called riboflavin, is one of 8 B vitamins. All B vitamins help the body to convert food (carbohydrates) into fuel (glucose), which is used to produce energy. These B vitamins, often referred to as B complex vitamins, also help the body metabolize fats and protein.ataracts. Vitamin B2, along with other nutrients, is important for normal vision. Some early evidence shows that riboflavin might help prevent cataracts -- damage to the lens of the eye, which can lead to cloudy vision.