The Vitamin Shoppe brand has the entire B family on board in B-Complex 100. B1 acts as a carb buster, helping to break them down in our system B2 plays an important role in the production of ATP, which sends energy to where it's needed B3 helps create energy and supports the nervous system, digestive system and healthy skin B5, the great metabolizer! It creates energy and is essential for blood cell production B6 helps maintain nerves, skin and red blood cells B7, a/k/a biotin, promotes healthy hair, skin and nails B9, you know this heavy hitter as folate. It's essential to make blood cells, DNA and RNA B12 (methylcobalamin), which supports nerve and blood cell functionEach B-Complex 100 veggie capsule gives you over 100% the daily requirement of B vitamins. Beeea-utiful!