Vitamin B2

Vitamin B2, also called riboflavin, is naturally found in some foods. In other foods, it is in synthetic form. Vitamin B2 and the other B vitamins help your body make red blood cells and support other cellular functions that give you energy. You get the most out of the B vitamins with vitamin pills, foods, or a vitamin preparation that contains them all. An energy boost is the best-known benefit of vitamins B2.