The B vitamins are a group of eight water-soluble vitamins that play perform essential, closely interrelated roles in the body, including acting as co-enzymes in catabolic and anabolic enzymatic reactions, synthesis of neurochemicals, cellular functioning, supporting brain function, metabolism and energy production, DNA and RNA synthesis and repair, among other essential functions of the body.

The eight B vitamins include: thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), folate (B9) and cobalamin (B12). The B vitamins are grouped based on their water solubility and their interrelated functions in cellular coenzyme activity. …