B vitamins are a class of water-soluble vitamins that play significant roles in cell metabolism and energy production. This group includes eight distinct vitamins: B1 (Thiamine), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic Acid), B6 (Pyridoxine), B7 (Biotin), B9 (Folate), and B12 (Cobalamin). These vitamins are essential for maintaining good health and well-being.