Get two important B vitamins in one vegetarian capsule with Swanson Ultra Folic Acid & B12 vitamin supplement. B vitamins are most known for their role in healthy energy support but healthy cell replication energy metabolism and DNA production also rely on vitamin B12 (also known as cyanocobalamin). B12 has also slowly been recognized for its coenzymatic properties and how it can help the production of healthy red blood cells. Folic acid is included in this formula because it is recognized for its ability to promote B12 s bioavailability while acting as a partner in healthy homocysteine levels.