Posted in Web B Vitamins: MedlinePlus December 3, 2019 The B vitamins are. B1 (thiamine) B2 (riboflavin) B3 (niacin) B5 (pantothenic acid) B6; B7 (biotin) B12; Folic acid; These vitamins help the process your body uses to get or make energy from the food you eat. https://medlineplus.gov/bvitamins.html